Home
Class 12
PHYSICS
A solenoid has 2000 turns would over a l...

A solenoid has `2000` turns would over a length of `0.30` m. The area of its cross-section is `1.2xx10^(-3)m^(2)`. If an initial current of `2` A in the solenoid is reversed in `0.25`s, then the emf induced in the coil is

A

`6xx10^(-4)V`

B

`4.8xx10^(-3)V`

C

`6xx10^(-2)V`

D

`32.1xx10^(-2)V`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The rate constant of a reaction is 2xx10^-5 sec^-1 . If the initial concentration is 0.1 M, the initial rate is

The young's modulus of a wire of length 2m and area of cross section 1mm^2 is 2 xx 10^10 N/m^2 . What is the work done in increasing it's length by 2mm.