With the same maximum voltage to earth, which among the following AC – McqOptions

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1.	With the same maximum voltage to earth, which among the following AC systems with 0.8 pf will need more copper compared to 2 wire system?
A.	Single phase, 2 wire
B.	Single phase, 3 wire
C.	Three phase, 3 wire
D.	Three phase, 4 wire
Answer» E.

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