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RAM CHANDRA MARANDI

· started a discussion

· 1 Months ago

Actually the answer is correct. (Question: 380068.0 )

The curve is drawn a bit different, it should have started from V=0 for better understanding and power should be greater not smaller as shown in the explanation.

Question:

Purely inductive circuit takes power from the a.c. mains when _____.

Options:
A)

both applied voltage and current increase

B)

both applied voltage and current decrease

C)

applied voltage decreases but current increases

D)

applied voltage increases but current decreases

Solution:

Ans: (c)

  

Positive power indicates inductor is absorbing power from the circuit. Positive power means voltage decreasing and current increasing.

RAMJI

· commented

· 1 Months ago

thanks for recalling the concept.
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