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 0.5 A. If the frequency of the AC source is 50 Hz , the impedance and inductance of the solenoid are
A
and 0.55 H B
and 0.86 H C
and 
H D
and 0.93 H
Text Solution
Verified by ExpertsThe correct answer is:
A
Impedance 
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