Electromagnetic Field Theory A square corner reflector is used in which of the following? Radio astronomy TV broadcast All of these Point-to-point communication Radio astronomy TV broadcast All of these Point-to-point communication ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 145. 150. 250. 225. 145. 150. 250. 225. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Highly directional Omnidirectional A figure of directional None of these Highly directional Omnidirectional A figure of directional None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n = K. n. k = 0. n × k = 0. n = - k. n = K. n. k = 0. n × k = 0. n = - k. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 40 nj. 20 nj. 100 nj. 60 nj. 40 nj. 20 nj. 100 nj. 60 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Zero Very low Infinite Very high Zero Very low Infinite ANSWER DOWNLOAD EXAMIANS APP