AE-JE Foundation EE: Circuit Theory Quiz 1

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.)

A 10 Ω resistor is connected in parallel with a 15 Ω resistor and the combination in series with a 12 Ω resistor. The equivalent resistance of the circuit will be __________.

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

Power delivered by 2 V source

The wires X and Y made of same materials but of different lengths L and L/2 have the radius r and r/2 respectively. Calculate the ratio of specific resistance.

Determine the input resistance R_in

What is the current in the given circuit?

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

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

Four capacitors of 15 mF are connected in parallel. What is the equivalent capacitance (in mF) of the combination?