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

The self-inductance of a choke coil is `10mH`. When it is connected with a `10 V DC` source, then the loss of power is `20 "watt"`. When it is connected with `10 "volt" AC` source loss of power is `10"watt"`. 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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