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The self inductance of a choke coil is 1...

The self inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source, then the loss of power is 20 W. When its is connected with 10 V AC source loss of power is 10 W. The frequency of AC source will be

A

50Hz

B

60Hz

C

80Hz

D

100Hz

Text Solution

Verified by Experts

The correct Answer is:
C
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