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An air cored solenoid is of length 0.3 m...

An air cored solenoid is of length 0.3 m, area of cross section `1.2 xx 10^(-3) m^(2)` and has 2500 turns. Around its central section, a coil of 350 turns is wound. The solenoid and the coil are electrically insulated from eachother. Calculate the e.m.f. induced in the coil if the initial current of 3 A in the solenoid is reversed in 0.25 s.

A

`0.1056V`

B

`1.056V`

C

`10.56V`

D

`0.01056V`

Text Solution

Verified by Experts

The correct Answer is:
A
`M = (mu_(0)N_(1)N_(2)A_(2))/(l)`
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