1.

A virtual current of 4A and 50 Hz flows in an ac circuit containing a coil. The power consumed in the coil is 240 W. If the virtual voltage across the coil is 100 V its inductance will be

A. \[\frac{1}{3\pi }\]H
B. \[\frac{1}{5\pi }H\]
C. 15  
D. \[\frac{1}{9\pi }H\]
Answer» C. 15  


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