Home
Class 12
PHYSICS
Calculate the mutual inducatnce between ...

Calculate the mutual inducatnce between two coils when a current of `2A` changes to `6A` in `2` seconds and induces an emf of `20 mV` in the secondary coil

Text Solution

Verified by Experts

`|e|=M(dI)/(dt)`
`20xx10^(-3) =M ((6-2))/2 or M=10 mH`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -1|4 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise EVALUATE YOURSELF -2|6 Videos
  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL-II(H.W)|14 Videos
  • ELECTROMAGNETIC WAVES

    NARAYNA|Exercise EXERCISE -4|15 Videos

Similar Questions

Explore conceptually related problems

Calculate the mutual inductance between two coils when a current of 4 A changes to 12 A in 0.5 s in primary and induces an emf of 50 mV in the secondary. Also, calculate the induced emf in the secondary if current in the primary changes from 3 A to 9 A is 0.02 s .

Calculate the mutual inductance between two coils when a current 2A changes to 6A in and 0.2 s and induces an emf of 20mV in secondary coil.

Calculate the mutual inductance between two coils when the currents change from 2 to 5 A in 0.25s in one coil, induces an emf of 12 mV in the other.

Find the mutual inductance between the two coils if a current of 10 ampere in primary coil changes the flux by 500 Wb per turn in the secondary coil of 200 turns. Also, find the induced e.m.f. acorss the ends of the secondary coil if this change occurs in 0.5 sec.

Over a solenoid of 50 cm length and 2 cm radius having 500 turns. Is wound another wire of 50 turns near the centre. Calculate mutual inductance of the two coils. If currents in primary changes From 0 to 5 a in 0.02 s, what is the emf induced in secondary coil ?

Calculate the self- inductance of a coil when a change of current from 0 to 2A in 0.05 s induces an emf of 80 V.

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

In a coil when current changes from 10 A to 2A in time 0.1 s, induced emf is 3.28 V. What is the self-inductance of coil?

The mutual inductance between two coils is 3 H. If the current in one coil is changed at a rate of 5 A// s , what will be the emf induced in the other coil?

Two coaxial coils are very close to each other and their mutual inductance is 5 mH. If a current (50 A) sin 500t is passed in one of the coils, then find the peak value of induced emf in the secondary coil.