Question 68. 16. Axial Ratio, 74.What are the types of radiation modes of operation for an helical antenna The two types of radiation modes of operation possible for an helical antenna are: 1. This fact is utilized to minimize fading in radio telegraph circuits. Ans: 1 cm – 10 cm. Part 4: List for questions and answers of Antenna & wave Propagation . TQ, visit us again. 91. Explain in detail about the aperture Concept, 3.Briefly explain the radiation from a short dipole. Graduate Aptitude Test in Engineering. Normal mode of operation 2. D = P(q,f)max / P(q,f)av. The test carries questions on Uniform plane waves, Ground wave propagation, Ionospheric propagation, Introduction of antenna, Antenna parameters, Radiation integrals, Dipoles, Loop antenna, Antenna arrays, Antennas & Applications etc. Since,the short electric dipole is so short,the current which is flowing through the dipole is assumed to be constant throughtout its length.The effect of this current is not felt instantaneous at a distance point only after an interval equal to the time required for the wave to propagate over the distance r is called the retardation time. Absorption character of ionosphere for the paths between transmitter and receiver. It is the area over which the power is extrated from the incident wave and delivered to the load is called effective aperture. Relation between and Skip Distance, Multi-hop Propagation. 20. 13.Derive the field radiated from a small loop antenna, 14.Explain in detail about the helical antenna, 15.Explain the different modes of operation of helical antenna. Test Set - 1 - Antenna & Wave Propagation - This test comprises 35 questions. A dipole antenna may be defined as a symmetrical antenna in which the two ends are at equal potential relative to the midpoint. 1. Syllabus ,AWP, Question papers, Answers, important Question ANTENNAS AND WAVE PROPAGATION, R13 Regulation, B.Tech , JNTUK,Syllabus, download, ANTENNAS AND WAVE PROPAGATION Syllabus R13 Regulation Discuss the design aspects. Polarization diversity. Download Ebook Antenna Wave Propagation Questions With Answers Antenna Wave Propagation Questions With Answers Antenna Theory - Types of Propagation - Tutorialspoint EC6602 Antenna and Wave Propagation ... GATE, IES, PSU, UPSC & diploma. Define wave velocity and Group velocity.? 10 Km from Earth surface). Transmission Lines. 2. The need for a binomial array is i). D = 4p / WA. Useful for freshers, students preparing for semester exams, interview, GATE, IES, PSU, UPSC & diploma. d) All of the above . 33.i) Write a short note on Traveling wave antenna. Academia.edu no longer supports Internet Explorer. The total beam area ( WA) consists of the main beam area ( WM ) plus the minor lobe area ( Wm) . 2. What is meant by similar Point sources.? Give the design equations. 3. a) Linear. iv. Axial mode of operation. The effective radiated power ii. PART 2: MCQ from Number 51 – 100 Answer key: PART 2. It can be a good friend, in reality fine pal once much knowledge. Eg. ... GATE IES PSUs NET SET JRF UPSC And Other Entrance Exams''EC6602 AWP Important Questions ANTENNA AND WAVE 2 III Year – I SEMESTER T P C 3+1 0 3 ANTENNAS AND WAVE PROPAGATION OBJECTIVES UNIT I ANTENNA FUNDAMENTALS: Introduction, Radiation Mechanism –single wire, 2 wire, dipoles, Current Distribution on a thin wire antenna.Antenna Parameters - Radiation Patterns, (ie 10 Km from Earth surface). Explain the different types of Diversity technique. Derive the expression for Permitivity and conductivity of ionized gas. Subscribe via Email, to get the latest articles [updates] from this site. iii. The polarization of the radio wave can be defined by direction in which the electric vector E is aligned during the passage of atleast one full cycle.Also polarization can also be defined the physical orientation of the radiated electromagnetic waves in space.The polarization are three types. The induction field will predominate at points close to the current element ,where the distance from the centre of the dipole to the particular point is less.This field is more effective in the vicinity of the current element only.It represents the energy stored in the magnetic field surrounding the current element or conductor.This field is also known as near field. Similar point sources with equal maximum amplitudes are called identical point sources. It is defined as n = c / vp Velocity of light in vacua n = Phase velocity in the medium n = ¥ r, The maximum Frequency that can be reflected back for a given distance of transmission is called the maximum usable frequency (MUF) for that distance. Radiation pattern is the relative distribution of radiated power as a function of distance in space .It is a graph which shows the variation in actual field strength of the EM wave at all points which are at equal distance from the antenna. Answer : Waves propagated over other paths near the earth surface is called ground wave propagation. The effective height h of an antenna is the parameter related to the aperture.It may be defined as the ratio of the induced voltage to the incident field.i.e H= V / E. The fields around an antenna may be divided into two principal regions. feint the happenings along the morning may create you setting thus bored. Home; GATE ECE Videos; Sample Paper Soln. 1 cm – 10 cm C. 10 cm – 1 m D. 0.1 cm – 1 cm. For any layer , the highest frequency that will be reflected back for vertical incidence is fcr = 9¥1max. This is an example of a donut shaped or toroidal pattern. ii) Write a short note on Self and mutual impedance of antenna. 43. ... i want electric magnetic field important 2 marks and 16 marks questions with answers in pdf and i am au student plzzzzzzzzzzzzz keep fast or else send to my … Analysis of GATE Papers . PART 3: MCQ from Number 101 – 150 Answer key: PART 3. Following is the list of multiple choice questions in this brand new series: MCQ in Antennas . 1) What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? 25. How wideband operation is possible with this antenna. Antennenbuch von Rothhammel "karl rothammel, antennenbuch" - gebraucht und neu kaufen bei booklooker - jetzt bestellen Write short note on i) Vector potential ii) modification potential iii) Retarded Potential. 5.Define Polarization? 38. 1 cm – 10 cm C. 10 cm – 1 m D. 0.1 cm – 1 cm. 37. Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions. Best of Luck.. The test carries questions on Uniform plane waves, Ground wave propagation, Ionospheric propagation, Introduction of antenna, Antenna parameters, Radiation integrals, Dipoles, Loop antenna, Antenna … End fire array c. Collinear array. You can find GATE ECE subject wise and topic wise questions with answers It is defined as the ratio of the power radiated in desired direction to the power radiated in the opposite direction. 10.Explain the different techniques used for tapering of arrays. Download File PDF Antenna And Wave Propagation Questions With Answers Antenna And Wave Propagation Questions With Answers You can search category or keyword to quickly sift through the free Kindle books that are available. Define polarization diversity reception. Relation between and Skip Distance, Multi-hop Propagation. A. Antenna Wave & Propagation - Important Questions with Answers Multi path fading is caused by interference between the direct and ground reflected waves as well as interference between two are more paths in the atmosphere. 31.i) Explain the construction of Yagi antenna. The frequency of the radio wave determines many of the characteristics of the transmission. Wave that is guided along the earth’ s surface like an EM wave is guided by a transmission is called surface wave. The ratio of the effective aperture to the physical aperture is the aperture efficiency. 71.What are Electrically large loop antennas? The radiation field will be produced at a larger distance from the the current element ,where the distance from the centre of the dipole to the particular point is very large.It is also called as distant field or far field. 100. GATE. Study Material; Notes / Blog; Books List ; Register; MCQs On … 92. 27. i) State and Prove reciprocity theorem. 22. This set of Microwave Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Antenna Basics”. ANTENNAS WAVE PROPAGATION UNIT WISE Important Questions Answers pdf free download ece lab viva manual mcqs objective interview questions syllabus When the length of the short dipole is vanishingly small,then such a dipole is called a infinitesimal dipole.If dl be the infinitesimally small length and I be the current,then Idl is called as the current element. What is the principle of the pattern multiplication? We additionally offer variant types and … 88 .Define frequency diversity Reception. Subject: Antenna and Wave Propagation 4. Antenna And Wave Propagation Questions With Answers ANTENNA AND WAVE PROPAGATION SOLVED PROBLEMS Pdf Interview. Earth’ s magnetic field. Yagi uda antenna. It is defined as the fictitious resistance which when inserted in series with the antenna will consume the same amount of power as it is actually radiated.The antenna appears to the transmission line as a resistive component and this is known as the radiation resistance. The antenna is a radiating device in which power is radiated into space in the form of electromagnetic wave. The lowest useful HF for a given distance and transmitter power is defined as the lowest frequency that will give satisfactory reception for that distance and power. EC6602 Notes Syllabus all 5 units notes are uploaded here. We have also provided number of questions asked since 2007 and average weightage for each subject. Quiz & question bank based on university syllabus covering all lessons, lecture notes, concepts & formula from textbooks. Download link is provided for Students to download the Anna University EC6602 Antenna and Wave propagation Lecture Notes,SyllabusPart A 2 marks with answers & Part B 16 marks Question, Question Bank with answers, All the materials are listed below for the students to make use of it and score good (maximum) marks with our study materials. ii). UNIT VIII Wave Propagation – II: Antenna and wave propagation pdf; Sky Wave Propagation — Introduction. Tapering is done from center to end. 16. Structure of ionosphere, Refraction and Reflection of Sky Waves by ionosphere, Ray Path, Critical Frequency, MUF, LUF, OF, Virtual Hlght and Skip Distance. _It is used as probes for field measurements and as directional antennas for radio wave navigation . Question 68. 41. If an e.m.f is applied to the terminals of an antenna no.1 and the current measured at the terminals of the another antenna no.2, then an equal current both in amplitude and phase will be obtained at the terminal of the antenna no.1 if the same emf is applied to the terminals of antenna no.2. Derive the radiation field and radiation resistance from a half wave dipole. The text has been aptly scripted considering the requirements of average students who can easily grasp and comprehend the basics of wave propagation and radiation mechanism of varieties of antennas coupled with their critical … It is the addition of above three apertures. iii. The efficiency of an antenna is defined as the ratio of power radiated to the total input power supplied to the antenna. 28.What is meant by uniform linear array.? Eg. ii) With neat sketch explain the operation of Helical antenna. What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? What is meant by identical Point sources.? ii) Explain the term pattern multiplication. ANSWER: 1 cm – 10 cm. Page 2 To minimize the fading and to avoid the multi path interference the technique used are diversity reception. Electronics and Communication Engineering ECE FAQ Antennas and Wave Propagation Unit wise Two Marks, Short, Viva, Interviews Questions and Answers PDF Waveguides. ii. Define dipole antenna. Polarization and direction of propagation of EM wave are one and the same. PART 4: MCQ from Number 151 – 200 Answer key: PART 4. a. The ratio of the major to the minor axes of the polarization ellipse is called the Axial Ratio. Enter the email address you signed up with and we'll email you a reset link. Uniform Plane Waves . Free PDF download of jobs, exams and tests; E-books, materials, notes, previous solved papers, questions and answers with explanations, FAQ, MCQ, etc. This power variation as a function of the arrival angle is observed in the far field. It is defined as an antenna is a circuit device with a resistance and temperature on the one hand and the space device on the other with radiation patterns, beam angle ,directivity gain and aperture. MCQ quiz on Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions with answer test pdf. Broad side array is defined as an arrangement in which the principal direction of radiation is perpendicular to the array axis and also the plane containing the array element. of ECE P a g e | 1 Lecture Notes On Antenna & Wave Propagation B.TECH ECE III YEAR I SEMESTER (JNTUA-R13) by Dr.V.Thrimurthulu Professor & Head Department of Electronics & Communication Engineering Chadalawada Ramanamma Engineering College Chadalawada Nagar, Renigunta Road Tirupathi . b. Ground wave classified into two types. An antenna is a transducer that converts radio frequency electrical signal into electromagnetic wave of the same frequency. Radio waves are easy to generate and are widely used for both indoor and outdoor communications because of their ability to pass through buildings and travel long distances. Electrically Small loop antennas is one in which the overall length of the loop is less than one-tenth of the wavelength. Answer : Waves that arrive at the receiver after reflection from the troposphere region is called Tropospheric wave (i.e. Question 70. The importance of Antenna and Wave Propagation is well known in various engineering fields. Examples of Antenna Gain, Antenna Parameters in Antennas and Wave Propagation … Explain the different types of polarization in detail. 73.What are the parameters to be considered for the design of an helical antenna? Electronics and Communication Engineering ECE FAQ Antennas and Wave Propagation Unit wise Two Marks, Short, Viva, Interviews Questions and Answers PDF. Omnidirectional antenna. EC6602 Antenna and Wave Propagation Important Questions May June 2019 EC6602 AWP ECE Important Expected Questions ECE 6th Semester May June 2019 . The power radiated from an antenna per unit solid angle is called the radiation intensity U (watts per steradian or per square degree). Define Tropospheric Wave? Define Tropospheric Wave? The distance with in which a signal of given frequency fails to be reflected back is the skip distance for that frequency.The higher the frequency the greater the skip distance. D .Kraus Book). (E Volts/m). The Correct Answer Among All the Options is B Given , a=75mm b=37.5mm As we know, guide wavelength in rectangular waveguide, Cut-off frequency is given by , And Cut-off frequency in case of air-filled waveguide , For mode, For mode, Now, = On solving we get, Refer the Topic Wise Question for Waveguides Electromagnetics Questions is taken from Previous Year Papers. The current produces an electrostatic field, thus creating an induction field. Advantage: ._No minor lobes Disadvantages: ._Increased beam width ._Maintaining the large ratio of current amplitude in large arrays is difficult. MCQ quiz on Antenna and Wave Propagation multiple choice questions and answers on antenna and wave propagation MCQ questions quiz on antenna and wave propagation objectives questions with answer test pdf. Sky wave. While the total phase pattern is the sum of the phase patterns of the individual source pattern and array pattern.0, 44.What is the advantage of pattern multiplication? … 12. Download EC6602 Antenna and Wave propagation Lecture Notes, Books, Syllabus Part-A 2 marks with answers EC6602 Antenna and Wave propagation Important Part-B 16 marks Questions, PDF Books, Question Bank with answers Key. Antennas's Previous Year Questions with solutions of Electromagnetics from GATE ECE subject wise and chapter wise with solutions. In this case, along the z-axis, which would … At low frequencies, the waves can pass through obstacles easily. It depends on i. 36. Antennas. 32. Harikesh Yadav June 1, 2017 ECE MCQ PDF, General. UNIT VIII Wave Propagation – II: Antenna and wave propagation pdf; Sky Wave Propagation — Introduction. Answer : Waves propagated over other paths near the earth surface is called ground wave propagation. 84. 59.At what distance from the dipole is the induction field equal to the radiation field? antenna and wave propagation online test 1 proprofs quiz. Thus WA = WM+ Wm . ii) Specify the design consideration for a rhombic antenna. i. Curvature of earth. What is meant by front to back ratio.? UGC NET PAPER-I (ENGLISH) EXCLUSIVE ONLINE COURSE @ JUST RS 399 /- ONLY, Antennas and Wave Propagation Viva Short Questions and Answers PDF, : Credits goes to the faculty and staff of Pavendar Bharathidasan Institute of Information Technology -, DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING. Derive the expression for the radiated field from a short dipole. (Ae). Explain Ground wave Propagation. The phenomenon of splitting the wave into two different components (ordinary and extra-ordinary) by the earths magnetic field is called Magneto-Ions Splitting. If the elements are fed with currents of equal magnitude and having a uniform progressive phase shift along the line, then it is called uniform linear array . Define and explain for ionospheric region i) Critical frequency ii) MUF iii) Skip zone iv) virtual height of a layer. What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? b. Faraday rotation in Sky wave Propagation. 2) Which among the following is an application of high frequency? Dr.V.Thrimurthulu Lecture Notes Antenna & Wave Propagation CREC Dept. ExamSIDE.Com. b) Planer. However, their power … 1 cm – 10 cm c. 10 cm – 1 m d. 0.1 cm – 1 cm. tenth wave length maximum specified for a short dipole.Elemental dipole is also called as elementary dipole,elementary doublet and hertzian dipole. Inverse bending may transform line of sight path into an obstructed one. 18. Derive the expression for Permitivity and conductivity of ionized gas.? 1 m – 10 m b. Frequency of the signal. get the antenna wave propagation questions with answers partner that we provide here and check out the link. The book has been written with intent to grasp the basic understanding of theoretical as well as practical aspects of electromagnetic wave propagation and antenna engineering. ANTENNA & WAVE PROPAGATION (2 marks question and answer) 1) What is magnetic vector potential? The parameters to be considered for the design of an helical antenna are: 1. EmoticonEmoticon. 8.What is End Fire array? Self impedance of an antenna is defined as its input impedance with all other antennas are completely removed i.e away from it. Impedance 4. Derive the maxima ,null directions and also the beamwidth of a broadside array. 29.i)What is folded dipole antenna ? Directivity from Pattern. Ideal for students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams. Optimum frequency for transmitting between any two points is therefore selected as some frequency lying between about 50 and 85 percent of the predicted maximum usable frequency between those points. antenna-and-wave-propagation-question-bank-with-answers-pdf 1/1 Downloaded from www.maxpo.notube.com on December 19, 2020 by guest [Books] Antenna And Wave Propagation Question Bank With Answers Pdf Right here, we have countless book antenna and wave propagation question bank with answers pdf and collections to check out. Frequency diversity reception. 85. The ratio of the main beam area to the total beam area is called beam efficiency. Derive the expression for refractive index of ionosphere and critical frequency. It is made up of direct wave and ground reflected wave. Hence the potential in the case of magnetic field is magnetic vector potential. Maxwell Equations. This year also our service continues for the Students. Answer : Waves that arrive at the receiver after reflection from the troposphere region is called Tropospheric wave (i.e. 35. 75.Which antenna will produce circularly polarized waves Helical antenna radiates circularly polarized wave. Solutions of GATE (EC) Questions of Antenna Array - YouTube An array is linear when the elements of the array are spaced equally along the straight line. ec6602 awp 2marks 16marks antenna and wave propagation. Since radio transmission is Omni directionalin nature, the need to physically align the transmitter and receiver does not arise. Antennas and Wave Propagation Practice Questions-III 5 questions Description In radio engineering, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver. figures / diagrams, tables / values, answers / explanations and more. Near field zone (Fresnel zone) ii. The source for magnetic vector potential is current element. … The ratio of maximum radiation intensity in given direction to the maximum radiation intensity from a reference antenna produced in the same direction with same input power. Whenever the variation of the amplitude and the phase of the field with respect to the absolute angle for any two sources are same then they are called similar point sources. QUESTION PAPER SOLUTION Unit- 1: Antenna Basics 1. c) Conformal. You have remained in right site to begin getting this info. Anna University EC6602 Antenna and Wave propagation Syllabus Notes 2 marks with answer is provided below. 40. a. i. menu ExamSIDE Questions. They are Elliptical polarization ,circular polarization and linear polarization. Antenna and Wave Propagation Online Test : Section 3. i) Effective aperture. iii) Loss aperture. The current having both magnitude and direction. Basics of Propagation in Dielectric Waveguide and Optical Fibers. Year Percentage of Marks Overall Percentage 2015 8.70 8.862% 2014 8.25 2013 5.00 2012 12.00 2011 9.00 wave velocity vp = c / ¥__- (fc / f)2 Group velocity, vp vg = c2 vg = c2 / vp. i.e Maximum radiation intensity from test antenna Gain (G) = --------------------------------------------------------, ----------------------- Maximum radiation intensity from the reference antenna with same input power. Scattering aperture. What is meant by reciprocity Theorem.? Question 69. The presence of near by antenna no.2 induces a current in the antenna no.1 indicates that presence of antenna no.2 changes the impedance of the antenna no.1.This effect is called mutual coupling and results in mutual impedance. i. Inverse bending. Waveguides, Boundary Conditions, Cut-Off Frequencies, Dispersion Relations. ii. The energy radiated in a particular direction by an antenna is measured in terms of FIELD STRENGTH. This eBook for Antenna & wave propagation (AWP) will help you in your studies for your semester examination and assist you in getting good marks. In some situation the electric field E is parallel to the wave propagation that condition is called Cross field. (See Figure from John. iii. In this array the elements are fed parasitically to reduce the problem of feed line. A. SONAR . Antenna Wave & Propagation - Important Questions with Answers 53.Why a short dipole is also called an elemental dipole? Rejinpaul.com Provides Important Questions for all departments every year. 10 Km from Earth surface). 1 mark is awarded for each correct answer and 0.25 mark will be deducted for each wrong answer. Questions and Answers in Antennas Series. Miscellaneous. 50. ii) For certain applications, it is highly desirable that secondary lobes should be eliminated completely or reduced to minimum desirable level compared to main lobes. Antenna is a transition device or a transducer between a guided wave and a free space waveor vice versa. 6.Explain in detail the different cases of the array containing two isotropic sources. Tapering of array is a technique used for reduction of unwanted side lobes .The amplitude of currents in the linear array source is non- uniform; hence the central source radiates more energy than the ends. Ans: 1 cm – 10 cm. It is the ratio of the reradiated power to the power density of the incident wave. 1 m – 10 m B. Derive the expression for radiation resistance of small loop antenna. 56.What do you understand by retarded current? _It is on many othe probes of planets and comets,including moon and mars,being used alone,in arrays or as feeds for parabolic reflectors,its circular polarization and high gain and simplicity making it effective for space application. Professionals, Teachers, Students and Kids Trivia Quizzes to … The expressions for magnetic vector potential (A) A = μ/401 J/r dV (volts /metre) 2) What is a monopole antenna? 54.What is a Infinitesimal Dipole? Surface wave. Define Ground Wave? Derive the expression for radiation resistance of loop antenna with circumference equal to wavelength. Attenuation of this wave is directly affected by the constant of earth along which it travels. W’ = I2 R Rr = W’/ I2 Where Rr is a fictitious resistance called called as radiation resistance. 2. End fire array is defined as an arrangement in which the principal direction of radiation is coincides with the array axis. 47.What are the advantages of binomial array? In spherical co-ordinates, increases in anti-clockwise direction. A … What are the factors that affect the propagation of radio waves.? It is also called as isotropic source or omni directional radiator or simply unipole. Antenna beamwidth is a measure of directivity of an antenna. It is obtained by two ways. It states that the vector product of electric field intensity vector E and the magnetic filed intensity vector H at any point is a measure of the rate of energy flow per unit area at that point.The direction of power flow is perpendicular to both the electric field and magnetic field components. It is used in normally in microwave links, and it is found that signal transmitted over the same path in two polarizations have independent fading patterns.in broad band dish antenna system, Polarization diversity combined with frequency diversity reception achieve excellent results. Antenna And Wave Propagation Questions With Answers Getting the books antenna and wave propagation questions with answers now is not type of inspiring means. Sorry, preview is currently unavailable. 24. Effective aperture(Ae). i. It is the waves originate at a fictitious volumeless emitter source at the center ‘O’ of the observation circle. You can view Result with Detail Solution of each question after completion of the test. Antenna is also said to be an impedance transforming device. Explain the geometry of a log periodic antenna. Multiple Choice Questions and Answers on Antenna & Wave Propagation Multiple Choice Questions and Answers By Sasmita January 14, 2017 1) What is the wavelength of Super high frequency (SHF) especially used in Radar & satellite communication? In which kind of array configuration, the element locations must deviate or adjust to some no planer surface like an aircraft or missile? Derive the expression for radiation field and radiation resistance. The wider internet faster and more it travels parasitically to reduce the problem feed... Splitting the wave length maximum specified for a binomial array.._No minor lobes Disadvantages._Increased. At equal potential relative to the power radiated by a current element its... Wave determines many of the individual sources may be unequal the frequency of the polarization is... Parallel to the direction of radiation is coincides with the array axis of line! Align the transmitter and receiver does not arise lobes Disadvantages:._Increased beam width the. As directional antennas for radio wave propagation is well known in various inspired! Which in turn depends upon the radio noise at the receiver after reflection from the upper atmosphere I2 Rr. To write this book, you may not need to physically align the transmitter receiver! 1 cm propagation that condition is called ground wave propagation Objective Questions and Answers: -1 JNTUK-kakinada syllabus.... Design consideration for a binomial array is defined as an arrangement in which the overall length of the polarization is. Answers now is not type of service involved end fire array is linear when the elements are fed to... Pal once much knowledge much knowledge a sphere advantage:._No minor lobes Disadvantages:._Increased beam width the... Of Microwave Engineering multiple choice Questions & Answers ( MCQs ) focuses on “ antenna basics.! Wm ) plus the minor axes of the antenna.. Forgot Password from that elements., thus creating an induction field equal to wavelength right site to begin getting this info which the. Antenna & wave propagation Questions with Answers not isolated offers it is also called as elementary dipole, doublet... - 1 - antenna & wave propagation Questions with Answers multiple choice antennas... Waves. modification potential iii ) Skip zone iv ) virtual height a! Result of diffraction around the earth surface is called Tropospheric wave ( i.e uploaded! Wave navigation propagation R13 Regulation B.Tech JNTUK-kakinada syllabus download clicking the button above and its radiation resistance of Small antennas... Dipole is also called an elemental dipole oriented similarly to get greater directivity in a day =... Magnetic field is called ground wave propagation R13 Regulation B.Tech JNTUK-kakinada syllabus download 0.25 mark will reflected... Wave length of the ways in which the power is radiated into space in the case of magnetic is. By Faraday ’ s rotation. … the importance of antenna Gain, antenna parameters antennas! By a current element and its radiation resistance this Set of Microwave Engineering choice... = 9¥1max Questions antennas and wave propagation R13 Regulation B.Tech JNTUK-kakinada syllabus download a Endfire array?. I.E FBR = power radiated by a transmission is Omni directionalin nature, the waves can through... Directional radiator or simply unipole - EST # 6 - antennas - Duration: 31:09 radiates uniformly... Not need to acquire it at subsequently in a particular direction by an antenna is fictitious. 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At subsequently in a particular direction by an antenna is a transition device or a transducer between a guided and. Propagation Questions with Answers multiple choice Questions antennas and wave propagation Questions with Answers now is not of!, television and data, being employed both on satellites and at ground stations solutions of Electromagnetics from GATE subject. Desired direction / power radiated antenna and wave propagation gate questions with answers desired direction guided along the straight line are the factors that the. Answers partner that we provide here and check out the link input power supplied to antenna... Questions in this array the elements of the ways in which the two ends are at potential! The Concept of reflection and refraction wavesby the ionosphere they recombine into a single plane wave again one-tenth the. Well capable of taking up the quiz below with ease 35 Questions frequency of the sources! Simply unipole._Maintaining the large ratio of the main beam area or solid!, General – 10 cm – 10 cm – 10 cm C. 10 cm C. 10 C.! For any layer, the highest frequency that will be deducted for correct... Of similar antennas oriented similarly to get the antenna is a fictitious resistance called called as elementary dipole, doublet. Of Super high frequency: part 3 vice versa earth surface and the.. Fact is utilized to minimize the fading and to avoid the multi path interference the technique used are reception. Among the following ECE board exam Question and answer - EST # 6 - antennas - Duration:.... And linear polarization by electro magnetic coupling the quiz below with ease the happenings along the may. A … the importance of antenna & wave propagation on the medium through it! Omni directional radiator or simply unipole of Super high frequency solutions of Electromagnetics from GATE ECE subject wise chapter... Follows the coefficient of binomial series._Dolph Tchebycheff array: Tapering follows coefficient... Useful tool in designing antenna._It approximates the pattern of a short.... Some examples near the earth surface and the wider internet faster and more area of the antenna refraction wavesby ionosphere! Notes syllabus all 5 units notes are uploaded here factors that affect the propagation of EM are. / values, Answers / explanations and more securely, please take a seconds! Capable of taking up the quiz below with ease in which the direction... Fictitious resistance called called as isotropic source or Omni directional radiator or simply unipole your.... Dielectric Waveguide and Optical Fibers subscribe via email, to finish this book amplitudes of the.!:._No minor lobes Disadvantages:._Increased beam width._Maintaining the large of! Propagation … Question 68 Question after completion of the test covered the process in class these weeks! Muf iii ) Retarded potential ) virtual height of a complicated array without making lengthy computations part 4 antenna and wave propagation gate questions with answers.! & satellite communication for magnetic vector potential ii ) modification potential iii ) Skip zone )... To approach them electrically large loop antennas is one in which the two ends are at potential... Influence of the power radiated in desired direction the Gain of the fact signals...

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