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The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,

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

Options

(a) 80 Hz
(b) 100 Hz
(c) 120 Hz
(d) 220 Hz

Correct Answer:

80 Hz

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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