UPPCL EE Circuit Theory Quiz 8

What is the equivalent capacitance (in μF) between the terminals A and B in the circuit given below?

Determine the input resistance R_in

What is the current in the given circuit?

A nickel coil has a resistance of 16Ω at 50° C. If the temperature coefficient of resistance at 0°C is 0.003/ °C, the resistance at 0°C is: - (approx.)

The value of coupling factor is
 Where, M = 3 mH

Power delivered by 2 V source

The length of wire having resistance of 1 ohm/m in a heater rated at 1000 W and 250 V will be:-

Equivalent resistance between A & B, in the figure above is,

If both the number of turns and core length of an inductive coil are doubled, then its self inductance will be

A capacitor has a capacitance of 5 microfarad. What is the stored energy in the capacitor, if DC voltage of 100 V is applied across it?