The line currents of a three-phase four wire system are square waves w – McqOptions

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1.	The line currents of a three-phase four wire system are square waves with amplitude of 100 A. These three currents are phase shifted by 120° with respect to each other. The rms value of neutral current is
A.	0 A
B.	\(\frac{{100}}{{\sqrt 3 }}A\)
C.	100 A
D.	300 A
Answer» D. 300 A

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