Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 24 joules. 12 joules. 30 joules. 15 joules. 24 joules. 12 joules. 30 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 5 mH. 20 mH. 0 mH. 10 mH. 5 mH. 20 mH. 0 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another None of these Scalar Vector Unit vector None of these Scalar Vector Unit vector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Highly directional A figure of directional Omnidirectional None of these Highly directional A figure of directional Omnidirectional None of these ANSWER DOWNLOAD EXAMIANS APP
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 loop antenna is a commonly used for Direction finding Radar All of these Satellite communication Direction finding Radar All of these Satellite communication ANSWER DOWNLOAD EXAMIANS APP
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