The power of a n-phase circuit can be measured by using ___

The power of a n-phase circuit can be measured by using a minimum of

A. (n - 1) wattmeter elements
B. n wattmeter elements
C. (n + 1) wattmeter elements
D. 2n wattmeter elements

Show Answer

Answer: A

Share your understanding of this question with the correct explanation.