Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is none of above. zero. repulsive. attractive. none of above. zero. repulsive. attractive. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will not be equilibrium. remain in stable equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. not be equilibrium. remain in stable equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Inside a hollow conducting sphere electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field is zero. electric field changes with magnitude of the charge given to the conductor. electric field is a non zero constant. electric field changes with distance from the center of the sphere. electric field is zero. electric field changes with magnitude of the charge given to the conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Transmission efficiency None of these Front to back ratio Loss coefficient Transmission efficiency None of these Front to back ratio Loss coefficient ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory How much current must flow in a loop of radius 1m to produce a magnetic field of 1 mA/m? 2 mA. 1mA. 1.5 mA. 2.5 mA. 2 mA. 1mA. 1.5 mA. 2.5 mA. ANSWER DOWNLOAD EXAMIANS APP
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