When a two-phase, three-wire system is used, the size of the neutral conductor must be increased by_________ .
A) the square root of two
B) two
C) the square root of three
D) three

Question

Quizplus · Accepted Answer

In a two-phase, three-wire system, the neutral conductor carries the vector sum of the currents from the two phases. To handle this, the size of the neutral conductor must be increased by the square root of two to accommodate the increased current.

When a Two-Phase, Three-Wire System Is Used, the Size of the Neutral