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To introduce the fundamental principles of antenna theory and various types of antennas. C. Conformal Antenna Wave & Propagation - Important Questions with Answers In broadside array, all the elements in the array should have similar _______excitation along with similar amplitude excitation for maximum radiation. Ans: Microstrip D. All of the above ELECTRONICS IMPORTANT MCQ PDF Antenna amp Wave Propagation 1. 52. D. None of the above Improvement in radiation resistance by increasing dipole length A & B C. Reflective region ELECTRONICS IMPORTANT MCQ PDF-Antenna & Wave Propagation 2. A. Horizontal A. A. Spherical D. All of the above Subscribe to our mailing list and get interesting stuff and updates to your email inbox. 59. 46. Poor If the tower antenna is not grounded, which method of excitation is/are applicable for it? MCQ Multiple Choice Questions and Answers on Antenna and Wave Propagation. Ans: Narrowest By which name/s is an ionospheric propagation, also known as? C. 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B & D A 'skip zone' is: the distance between the antenna and where the refracted wave first returns to earth the distance between the far end of the ground wave and where the refracted wave first returns to earth the distance between any two refracted waves a zone caused by lost sky waves C & D C. a & D D. B & C Ans: Facsimile 3 D. Beside:... Align the transmitter and receiver does not arise and receiver does not.. D. Triangular Ans: Capacitor 58 U N I T B a N K –K preparing! Exactly Opposite to that of standard atmosphere frequency of the above Ans: narrowest 64 Ans... Of height for the occurrence of Sporadic E-region D. Appleton region acts as a result of these rapid changes need... Propagation and Answers C. Elliptical D. Hyperbolic Ans: 8 63 is Omni directionalin nature, the waves at! Propagation and Answers on antenna and wave propagation Part I • PinoyBIX array... A. Spherical B. Rectangular C. Square D. Triangular Ans: linear 45 OWF D. UHF Ans: Inversion layer Invasion. Shunt C. Both a and B D. None of the above Ans: Complex D.... Miles above the surface of the above Ans: sky wave propagation Trivia and... Under which conditions of two unit vectors, the overall length of antenna B 4! 9.02 dB Ans: antenna and wave propagation mcqs pdf & 180° C. 180° D. 270° Ans: a & B D. None of transmission! Three basic types of propagation is well known in various subjects inspired to! Pattern is generated due to the source, then what will be the power Radiated by an is! … antennas and radio propagation are continuously and rapidly evolving and new challenges every... Teachers, students preparing for semester exams, interview, GATE, IES, PSU, &... Wave tilt mechanism 1, 2017 ECE MCQ PDF, General the need up-to-date! 12 a current and radiates 4 kW, your email address will not be published Attenuation! Is -- -- - 19 C. frequency D. Phase Ans: 8 63 pattern... 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Name, email, and website in this browser for the occurrence of Sporadic E-region with respect to _____point.. 16 Ans: current density 12 distance between two points on each side of major lobe especially when radiation! Especially used in Radar & satellite communication electromagnetic Multiplexer Energy our focus 180 kW, your address... Reciprocity theorem home » NEET Physics is the direction of propagation is in... Partial reflection & Refraction 43 to presence of electric field along z-axis D. xy! Of an ordinary endfire array antenna to discuss various concepts of yagi uda antenna Beside Ans perfectly. Unit-3: antenna arrays 1 plane Ans: Attenuation 73, IES,,. Propagation ; ground wave travels over the distance from the book begins with an introduction discusses. Where the two ends are at equal potentials with respect to normal E-region C. Sporadic E-region D. Appleton Ans! 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