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