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

When 100 V DC is applied across a solenoid , a current of 1 A flows in it. When 100 V 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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AAKASH SERIES-ALTERNATING CURRENT-EXERCISE - III
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