Home
Class 12
PHYSICS
The virtual current of 4 A and 50 Hz flo...

The virtual current of 4 A and 50 Hz flows in an AC circuit contaning a coil. The power consumed in the coil is 240 W. If the virtual voltage across the coil is 100 V, then its resistance will be

A

`(1)/(3pi)Omega`

B

`(1)/(5pi)Omega`

C

`15Omega`

D

`(1)/(pi)Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A virtual current of 4A and 50Hz flows in an AC circuit contaning a coil. The power consumed in the coil is 100V its inductance will be

A coil when connected in a circuit having alternating voltage of frequency 50 Hz allows a virtual current of 5 A to flow through it. Power consumed in the coil is 250 W . Calculate the inductance of the coil if the virtual potential difference across it is the virtual potential difference across it is 110 V.

A 20volts AC is applied to a circuit consisting of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12V , the voltage across the coil is

The virtual current in the a.c. circuit shown in fig, 14.15 is 1.0 A. Find (i) virtual coltage across the coil L (ii) impendance of the circuit and (ii) reactance of the coil.

A resistor and a capacitor are connected to an ac supply of 200 V, 50 Hz, in series. The current in the circuit is 2A. If the power consumed in the circuit is 100 W then the resistance in the circuit is

In an AC circuit the reactance of a coil is sqrt(3) times its resistance, the phase difference between the voltage across the current through the coil will be

A resistor and an inductor are connected to an ac supply of 120 V and 50 Hz, the current in the circuit is 3 A. If the power consumed in the circuit is 108 W, then the resistance in the circuit is