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The resistance of a coil for DC is 5Omeg...

The resistance of a coil for DC is `5Omega` . In case of AC, the resistance will

A

remain `5Omega`

B

decrease

C

increase

D

be zero

Text Solution

Verified by Experts

The correct Answer is:
C
In case of AC, Z = `sqrt R^(2) + omega(L)^(2)` , while in case of DC it is only R.
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