In a balanced 3 phase 4 wire system of power transmission, the phase s – McqOptions

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1.	In a balanced 3 phase 4 wire system of power transmission, the phase sequence is RYB. If the voltage of R phase is 400∠0° volts. Then the voltage of B phase is:
A.	400 ∠-240° V
B.	400 ∠240° V
C.	400 ∠0° V
D.	400 ∠-120° V
Answer» B. 400 ∠240° V

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