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A capacitor becomes a perfect insulator ...

A capacitor becomes a perfect insulator when the current is

A

alternating current

B

direct current

C

both a and b

D

none of above

Text Solution

Verified by Experts

The correct Answer is:
B
`X_C=1/(omegaC)`
`omega=0` for `DC`
`:. X_C=oo`
or it becomes a perfect insulator.
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DC PANDEY ENGLISH-ALTERNATING CURRENT-Level - 1 Objective
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