A coil (which can be modelled as a series RL circuit) has been designed for a high Quality Factor (Q) performance. The voltage is rated at and a specified frequency. If the frequency of operation is increased 10 times and the coil is operated at the same rated voltage. The new value of Q factor and the active power P will be?

Question

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NA

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P is doubled and Q is halved

TuteeHUB · Answer

P is halved and Q is doubled

TuteeHUB · Answer

P remains constant and Q is doubled

TuteeHUB · Answer

P decreases 100 times and Q is increased 10 times

1.	A coil (which can be modelled as a series RL circuit) has been designed for a high Quality Factor (Q) performance. The voltage is rated at and a specified frequency. If the frequency of operation is increased 10 times and the coil is operated at the same rated voltage. The new value of Q factor and the active power P will be?
A.	P is doubled and Q is halved
B.	P is halved and Q is doubled
C.	P remains constant and Q is doubled
D.	P decreases 100 times and Q is increased 10 times
Answer» E.

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