Home
Class 12
PHYSICS
If the current in the primary coil is re...

If the current in the primary coil is reduced from `3A` to zero in `10` second, then the induced e.m.f. in the secondary is `15xx10^(-3)` volt. The mutual inductance of the coil will be

A

`10H`

B

`0.05H`

C

`2.5H`

D

`10mH`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise CRITICAL THINKING|84 Videos

  • ELECTROMAGNETIC INDUCTION

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|158 Videos

  • ELASTICITY

    TARGET PUBLICATION|Exercise Evaluation test|14 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

If the current in the primary coil is reduced from 3.0 ampere to zero in 0.001 second, the induced e.m.f in the secondary coil is 1500 volt. The mutual inductance of the two coils will be-

If a current of 3.0 amperes flowing in the primary coil is reduced to zero in 0.001 second, then the induced e.m.f. in the secondary coil is 15000 "volts" . The mutual inductance between the two coils is

If a current of 3A, flowing in the primary coil is reduced to zero in 10^(-3) s , the induced e.m.f in the secondary coil is 15000 V. The mutual inductance between the two coils is

If a current of 3 A flowing in the primary coil is reduced to zero in 0.01 s, the e.m.f induced in the secondary coil is 750 V. What is the mutual inductance between the two coil ?

If the current 30A flowing in the primary coil is made zero in 0.1 sec. the emf induced in the secondary coil is 1.5 volt. The mutual inductance between the coil is

With the decrease of current in the primary coil from 2 amperes to zero value in 0.01 s the emf generated in the secondary coil is 1000 volts. The mutual inductance of the two coils is

When the current in a coil changeg from 8 amperes to 2 amperes in 3xx10^(-2) seconds, the e.m.f. induced in the coil is 2 volt. The self-inductance of the coil (in millihenry) is

The coefficient of mutual induction between two coils is 4H . If the current in the primary reduces from 5A to zero in 10^(-3) second, then the induced e.m.f. in the secondary coil will be

When the primary current in the spark-coil of a car changes from 4A to zero in 10muS , an emf of 40,000 V is induced in the secondary. The mutual inductance between the primary and the secondary windings of the spark-coil will be -