Question 1050 of 844 · Washington 01 Journey Level Electrician Exam
On a balanced three-phase, four-wire wye system serving only linear resistive loads, the neutral current is:
Exactly one answer is correct.
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Correct answer to question 1050
- C: Approximately zero
Explanation
With equal loads on all phases and no harmonics, the three phase currents cancel at the neutral point because they are 120 degrees apart. Unbalance or nonlinear loads cause neutral current.
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