Electromagnetic induction
For a purely inductive circuit which of the following is true?

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

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
An open coil has

Zero resistance and high inductance
Infinite resistance and zero inductance
Zero resistance and inductance
Infinite resistance and normal inductance

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
The inductance of a coil will increase under all the following conditions except

When more area for each turn is provided
When permeability of the core increases
When more length for the same number of turns is provided
When the number of turns of the coil increase

ANSWER DOWNLOAD EXAMIANS APP