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Alternating Current Applied to an Inductor

If the induct...

Question

If the inductance of a coil in 1 henry then its effective resistance in a $D . C$ circuit will be

A

\infty

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B

zero

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C

1

Ω

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D

2

Ω

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Solution

The correct option is B zero
$X_{L} = ω L$
In DC, $ω = 0$
Therefore, effective inductive resistance is
$X_{L} = 0$

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