Red Seal Electrician Practice
TransformersQuestion 1442 of 1506

A 15 kVA single-phase transformer has a 120 V secondary. What is its full-load secondary current?

  1. 72.2 A
  2. 12.5 A
  3. 125 A
  4. 1250 A
Show answer

Correct answer: 125 A

I = VA ÷ V = 15000 ÷ 120 = 125 A.

Source: Computed, 10.8: Practical Considerations - Transformers

Practice transformers

Questions last reviewed: 18 October 2026