Physics · Electromagnetic Induction and Transformers
In a practical transformer, when an alternating voltage is applied to the primary winding while the secondary winding is kept open-circuited, a small current flows in the primary winding (about 3% to 5% of the rated current). What is this current called?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Half-load current
- 2No-load current✓
- 3Full-load current
- 4Ideal current
Correct answer
No-load current
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