Categories > Alternating Current > AC circuits > When $100$ volt dc is applied across a coil, a current of $1$ amp flows through it. When $100$ volt ac at $50$ cycle${s^{ - 1}}$ is applied to the same coil, only $0.5$ ampere current flows. The impedance of the coil is

Alternating Current

Question: When $100$ volt dc is applied across a coil, a current of $1$ amp flows through it. When $100$ volt ac at $50$ cycle${s^{ - 1}}$ is applied to the same coil, only $0.5$ ampere current flows. The impedance of the coil is


1) $100\,\Omega $
2) $200\,\Omega $
3) $300\,\Omega $
4) $400\,\Omega $
Solution: Explanation: No Explanation
AC circuits

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