When 100V D.C. is applied across a coil, a current of 1A flows through it. When 100V A.C. of frequency 50 Hz is applied to the same coil only 0.5A current flows through it. Calculate resistance, impedance and self inductance of the coil.

Resistance R = 100Ω Impedance Z = 200Ω Self inductance L = 0.55H

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