Power factor and three-phaseQuestion 1007 of 1506

In a balanced split-phase system, what current flows in the neutral?

  1. The sum of both load currents
  2. Zero
  3. Twice one load current
  4. Half the line current
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Correct answer: Zero

With equal loads on each side the two currents cancel at the neutral.

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

Practice power factor and three-phase

Questions last reviewed: 18 October 2026