1.

A coil of inductance L has an inductive reactance of \[{{X}_{L}}\] in an AC circuit in which the effective current is I. The coil is made from a super-conducting material and has no resistance. The rate at which power is dissipated in the coil is       [MP PMT 1999]

A.   0    
B.   \[I{{X}_{L}}\]
C.   \[{{I}^{2}}{{X}_{L}}\]
D.   \[IX_{L}^{2}\]
Answer» B.   \[I{{X}_{L}}\]


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