In case of the two-wattmeter method for measuring the power of a balanced 3ϕ load, the whole power is measured by one of the two wattmeters when:

The power factor is less than 0.5 but more than 0

The power factor is more than 0.5 but less than 1

In case of the two-wattmeter method for measuring the power of a balan

1.	In case of the two-wattmeter method for measuring the power of a balanced 3ϕ load, the whole power is measured by one of the two wattmeters when:
A.	The power factor is unity
B.	The power factor is more than 0.5 but less than 1
C.	The power factor is 0.5
D.	The power factor is less than 0.5 but more than 0
Answer» D. The power factor is less than 0.5 but more than 0

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In case of the two-wattmeter method for measuring the power of a balanced 3ϕ load, the whole power is measured by one of the two wattmeters when:

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