In an AC circuit, the current is 3 A and voltage 210 V and power is 63 W . The power factor is

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Question: Answered & Verified by Expert

In an AC circuit, the current is

3 A

and voltage

210 V

and power is

63 W

. The power factor is

PhysicsAlternating CurrentNEET

Options:

A $0.11$
B $0.09$
C $0.08$
D $0.10$

Solution:

2192 Upvotes Verified Answer

The correct answer is:

0.10

Power

P = I . V . cosθ

∴ cosθ = \frac{P}{IV} = \frac{63}{3 \times 210} = 0 .1

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