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When the current in a coil charges from ...

When the current in a coil charges from 2A to 4A in 0.05 s, emf of 8 volt is induced in the coil. The coefficient of self induction of the coil is -

A

1H

B

2H

C

4H

D

8H

Text Solution

Verified by Experts

The correct Answer is:
B
Self - inductance, `L=|(e)/(di//dt)|=(8)/((2//0.5))=2H`
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