Which of the following is valid for a three-phase balanced star connec – McqOptions

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1.	Which of the following is valid for a three-phase balanced star connected system?
A.	\(\overrightarrow {{I_R}} + \overrightarrow {{I_B}} = \overrightarrow {{I_Y}} \)
B.	\(\overrightarrow {{I_R}} + \overrightarrow {{I_Y}} + \overrightarrow {{I_B}} = 1\)
C.	\(\overrightarrow {{I_R}} + \overrightarrow {{I_Y}} + \overrightarrow {{I_B}} = 0\)
D.	\(\overrightarrow {{I_R}} + \overrightarrow {{I_Y}} - \overrightarrow {{I_B}} = 0\)
Answer» D. \(\overrightarrow {{I_R}} + \overrightarrow {{I_Y}} - \overrightarrow {{I_B}} = 0\)

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