Home
Class 12
PHYSICS
An average induced emf of 0.20 V appears...

An average induced emf of 0.20 V appears in a coil when the current in it is changed from 5A in one direction to 5A in the opposite direction in 0.20 s. Find the self-inductance of the coil in mH.

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE WITH SOLUTION|17 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise WBJEE|5 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    CHHAYA PUBLICATION|Exercise COMPREHENSION TYPE|5 Videos

  • ELECTRIC POTENTIAL

    CHHAYA PUBLICATION|Exercise CBSE Scanner|13 Videos

  • ELECTROMAGNETIC WAVES

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|17 Videos

Similar Questions

Explore conceptually related problems

The average self-induced emf in a 25mH solenoid when the current in it falls from 0.2A to 0A in 0.01 second, is

A varying current in a coil change from 10A to 0 in 0.5sec. If the average emf induced in the coil is 220V, the self inductance of the coil is :

When the current in a coil changes form +2A to-2A in 0.5 sec then the induced e.m.f. is 8V, Find self inductance of the coil.

The current in a coil increases by 10 A in 0.01s. If the average emf induced in the coil is 100 V, find out the self-inductance of the coil and the flux linked with it.

A current flowing through a coil changes from +2A to -2A in 0.05 s and an emf of 8 V is induced in the coil. The value of self-inductance of the coil is

An emf of 100V is induced in a coil when the current through it changes at the rate of 50A.s^(-1) . Determine the self-inductance of the coil.

If a rate of change of current of 2 A.s^(-1) induces an emf of 10 mV in a solenoid, what is the self-inductance of the solenoid?

For any inductive curcuit the induced current is reduced to zero from 10A in 0.1 sec time. If the value of induced emf be 100 mV.,then what will be the self inductance of the coil?

The frequency of applied of ac voltage to an inductive coil is 1000Hz.L=25 mH and the power factor of the circuit is 0.1.Find the resistance of the coil.