1.

The average power dissipated in a pure inductor of inductance L when an ac current is passing through it, is [CPMT 1974; RPMT 1997; MP PET 1999]

A.   \[\frac{1}{2}L{{I}^{2}}\]   
B.   \[\frac{1}{4}L{{I}^{2}}\]
C.   \[2\,L{{i}^{2}}\] 
D.   Zero (Inductance of the coil L and current I)
Answer» E.


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