Transformer MCQs Part 5

Transformer MCQs Part 5 The no-load primary current Io is about what percentage of full-load primary current The no-load primary current Io is about what percentage of full-load primary current: 3-5% 10-15% 15-30% 30-50% Correct answer: 1. 3-5% Certain transformer has an efficiency of 80% and works at 100 V, 4 kW. If secondary voltage … Read more