Home
Class 12
PHYSICS
A coil of inductance L has an inductive ...

A coil of inductance `L` has an inductive reactance of `X_(L)` in an `AC` circuit in which the effective current is `I`. The coil is made from a super-conducting material and has no resistance. The rate at which power is dissipated in the coil is

A

`0`

B

`IX_(L)`

C

`I^(2)X_(L)`

D

`IX_(L)^(2)`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    ERRORLESS |Exercise SET|15 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS |Exercise S ET|1 Videos

Similar Questions

Explore conceptually related problems

The inductive reactance of a choke coil of 1/(4 pi) mH in an A.C. Circuit of frequency 50 Hz is

A coil of resistance R and inductance L is connected across an a.c power supply of r.m.s. voltage V. The average power dissipated in the coil is,

A coil has an inductance of 1.5 xx 10^(-2) H . Calculate the emf induced, when current in the coil changes at the rate 200 A/s.

A coil with inductive reactance X_(L) =30Omega and impedance Z = 50 Omega is connected to the mains with effective voltage value V = 100 V Find the phase difference between the current and voltage as well as the heat power generated in the coil .

The valules of resistance and inductive reactance of a choke coil are 8 Omega and 6 Omega respectively. What is the power factor of the coil?

A series circuit connected across a 200 V, 60 Hz line consists of a capacitive reactance 30 Omega non inductive resistor of 44 Omega and a coil of inductive reactance 90 Omega and resistance 36 Omega as shown in the diagram The power dissipated in the inductance coil is