The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is 

A) 1 B) 2 C) 3 D) 4
B

2 Answers

Answer :

The minimum number of wattmeter(s) required to measure 3-phase, 3-wire balanced or unbalanced power is 2

Answer :

B

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