Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2.5 mA. 2 mA. 1.5 mA. 1mA. 2.5 mA. 2 mA. 1.5 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is A figure of directional None of these Omnidirectional Highly directional A figure of directional None of these Omnidirectional Highly directional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside None of above. on outer surface in hollow and throughout in solid on outer surface in both. on outer surface in hollow and throughout in solid. None of above. on outer surface in hollow and throughout in solid on outer surface in both. on outer surface in hollow and throughout in solid. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following can induce the maximum induced voltage ? 20 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 1 amp dc. 20 amp dc. 1 amp 100 Hz. 1 amp 1 Hz. 1 amp dc. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. decreases because of stray capacitance as the frequency increases. increases because of stray capacitance as the frequency increases. none of these. remains same irrespective of the frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is Infinity. 2.16. 4.32. Zero. Infinity. 2.16. 4.32. Zero. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS