Home
Class 12
PHYSICS
The coefficient of mutual induction betw...

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

A

`10^(4)`V

B

`25 xx10^(3)V`

C

`2 xx10^(4)`V

D

`15 xx10^(3)`V

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE - I (MAGNETIC FLUX, FARADAY.S LAW, LENZ.S LAW, AC GENERATOR)|26 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE - I (SELF AND MUTUAL INDUCTION)|16 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-II|32 Videos

  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

Similar Questions

Explore conceptually related problems

The mutual inductance between two coils is 1.25 henry. If the current in the primary changes at the rate of 80 ampere//second , then the induced e.m.f. in the secondary is

The coefficient of mutual inductance of the two coils is 0.5 H . If the current is increased from 2 to 3 A in 0.01 sec . In one of them, then the induced e.m.f. in the second coil is :

Coefficient of mutual induction between 2 coils is 0.4 H. If a current of 4A in the primary is cut off in 1/15000 second, the emf induced in the secondary is

Define the term 'mutual inductance' between the two coils.

The mutual inductance between two coils is 2.5 H . If the current in one coil is changed at the rate of 1 As^(-1) , what will be the emf induced in the other coil?

(a) A toroidal solenoid with an air core has an average radius of 0.15m, area of cross section 12 xx 10^(-4) m^(2) and 1200 turns. Obtain the self inductance of the toroid. Ignore field variation across the cross section of the toroid. (b) A second coil of 300 turns is wound closely on the toroid above. If the current in the primary coil is increased from zero to 2.0 A in 0.05 s, obtain the induced emf in the secondary coil.

In a transformer , the coefficient of mutual inductance between the primary and the secondary coil is 0.2 henry. When the current changes by 5 ampere//second in the primary, the induced e.m.f. in the secondary will be

The mutual inductance between two coils is 0.5 H .It the current in one coil is changed at the rate of 5 A//s ,what will be the emf induced in the other coil?

When current in coil is uniformely reduced from 2A to 1A in 1 ms , the induced emf is 5V. The inductance of coil is :

The coefficient of mutual induction between two circuits is equal to the, emf produced in one circuit when the current in the second circuit is

Home
Profile