Electro Magnetic Induction And Alternating Currents Question 18

Question: The average power dissipation in a pure capacitance in ac circuit is [DPMT 1987; MP PMT/PET 1998]

Options:

A) 12CV2

B) CV2

C) 14CV2

D) Zero

Show Answer

Answer:

Correct Answer: D

Solution:

Average power in ac circuits is given by P=Vrmsirmscosφ For pure capacitive circuit φ=90o so P = 0



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