Electrical Engineering · Transformers
In an open-circuit test of a transformer, what does the wattmeter reading primarily represent?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Primary copper loss
- 2The core loss or iron loss✓
- 3Secondary copper loss
- 4The copper loss under full-load conditions
Correct answer
The core loss or iron loss
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