Electrical mathQuestion 1006 of 1506

In a 120/240 V split-phase system, one hot wire carries 80 A and the other carries 60 A. What current is in the neutral?

140 A
60 A
0 A
20 A

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Correct answer: 20 A

The neutral carries only the difference between the two load currents: 80 A - 60 A = 20 A.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 7.1: Single-Phase Power Systems

Questions last reviewed: 18 October 2026

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