Electromagnetic Field Theory
According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when

The impedance of one is the complex conjugate of the other
The impedance of one of the networks is half that of the other
The impedance of one is equal to that of the other
None of these

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Inside a hollow conducting sphere

 electric field is a non zero constant.
 electric field is zero.
 electric field changes with magnitude of the charge given to the conductor.
 electric field changes with distance from the center of the sphere.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Which of following is true for a purely inductive circuit ?

 Any capacitance even if present in the circuit will not be charged.
 Actual power of the circuit is zero.
 Reactive power of the circuit is zero.
 Apparent power of the circuit is zero.

ANSWER DOWNLOAD EXAMIANS APP