Which of the following devices are required to measure three phase bal – McqOptions

MCQOPTIONS

1.	Which of the following devices are required to measure three phase balanced power?
A.	One watt meter
B.	One watt meter and one voltage transformer of 1 : 1 ratio
C.	One watt meter and two voltmeters
D.	None of the above
Answer» B. One watt meter and one voltage transformer of 1 : 1 ratio

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