Red Seal Electrician Practice
TransformersQuestion 1438 of 1506

A 75 kVA single-phase transformer has a 240 V secondary. What is its full-load secondary current?

  1. 156.25 A
  2. 541 A
  3. 312.5 A
  4. 180 A
Show answer

Correct answer: 312.5 A

I = VA ÷ V = 75000 ÷ 240 = 312.5 A.

Source: Computed, 10.8: Practical Considerations - Transformers

Practice transformers

Questions last reviewed: 18 October 2026