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When 100V DC is applied across a solenoi...

When 100V DC is applied across a solenoid, a current of 1A flows in it. When 100V AC is applied across the same solenoid, the current drops to 0.5A. If the frequency of the AC source is 50 Hz, the impedance and inductance of the solenoid are :

A

`200 Omega` and 0.551H

B

`100 Omega` and 0.86H

C

`200 Omega` and 1.0H

D

`1100 Omega` and 0.93H

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The correct Answer is:
A
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