Red Seal Electrician Practice
Power factor and three-phaseQuestion 1418 of 1506

The line current to a balanced delta-connected load is 75 A. What is the current in each load winding?

  1. 37.5 A
  2. 130 A
  3. 43.3 A
  4. 25.0 A
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Correct answer: 43.3 A

In a balanced delta, phase current = line current ÷ √3 = 75 ÷ 1.732 = 43.3 A.

Source: Computed, 7.5: Three-phase Y and Delta Configurations

Practice power factor and three-phase

Questions last reviewed: 18 October 2026