Question

In the measurement of 3-phase power by 2 watt-meter method, if the 2 watt-meter readings are equal, the power factor of the circuit is?

a.

0.8 lagging

b.

0.8 leading

c.

Zero

d.

Unity

Answer: (d).Unity

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Q. In the measurement of 3-phase power by 2 watt-meter method, if the 2 watt-meter readings are equal, the power factor of the circuit is?

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