in a three phase power measurement using two wattmeter method, both wattmeter give the same reading. What is the power factor of the circuit

Q. in a three phase power measurement using two wattmeter method, both wattmeter give the same reading. What is the power factor of the circuit

A

0.5 lag

B

Unity

C

0.5 lead

D

zero

Solution:

For getting both wattmeter the same reading, the power factor of the circuit must be unity

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