Electro Magnetic Induction And Alternating Currents Question 37

Question: 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]

Options:

A) 0

B) $ IX_{L} $

C) $ I^{2}X_{L} $

D) $ IX_{L}^{2} $

Show Answer

Answer:

Correct Answer: A

Solution:

For purely L-circuit P = 0



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