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The magnetic field energy in an inductor...

The magnetic field energy in an inductor changes from maximum value to minimum value in 5.0 ms when connected to an AC source. The frequency of the source is

A

20 Hz

B

50Hz

C

200Hz

D

500Hz

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-ALTERNATING CURRENT-EXERCISE - II
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