Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very high Very low Zero Infinite Very high Very low Zero Infinite ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to ρv/3 C/m2. aρv/3 C/m2. aρv/4 C/m2. aρv C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv/4 C/m2. aρv C/m2. 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 = 0. n = - k. n = K. n × k = 0. n. k = 0. n = - k. n = K. n × k = 0. 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. 60 nj. 100 nj. 40 nj. 20 nj. 60 nj. 100 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a choke. generator. transformer. thermocouple. choke. generator. transformer. thermocouple. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an inductor current cannot change abruptly. Comment on the statement. True partially. True. Cannot comment. False. True partially. True. Cannot comment. False. ANSWER DOWNLOAD EXAMIANS APP
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