TransformersQuestion 1441 of 1506

A 37.5 kVA single-phase transformer has a 240 V secondary. What is its full-load secondary current?

156.25 A
1562.5 A
271 A
78.125 A

Show answer

Correct answer: 156.25 A

I = VA ÷ V = 37500 ÷ 240 = 156.25 A.

Source: Computed, 10.8: Practical Considerations - Transformers

Questions last reviewed: 18 October 2026

Red Seal Electrician Practice needs JavaScript to run. Use its questions for practice. The real pass mark is usually 70%. Check it with your province or territory's apprenticeship office.