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When a coil is connected to a D.C source...

When a coil is connected to a D.C source of emf 12V, a current of 4 amp flows in it. If same coil is connected to 12V, 50Hz AC source, the current is 2.4 A. The self inductance of the coil is

A

`(1)/(20pi)`

B

`(1)/(10pi)`

C

`(1)/(25pi)`

D

`(1)/(5pi)`

Text Solution

Verified by Experts

The correct Answer is:
C
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