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Question

A capacitor is an insulator for
Both for AC and DC
Alternating current
Direct current
None of the above

A

Alternating current

B

Direct current

C

Both for AC and DC

D

None of the above

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Solution

Verified by Toppr

For capacitor, $X_{c} = \frac{1}{2 π f c}$
Asfor DC $(f = 0)$
$∴ X_{c} = \infty Ω$ as good as an insulator.

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