Physics · Transformers
In an electrical power transformer, maximum efficiency occurs at a load where:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1copper loss equals iron loss✓
- 2copper loss is twice the iron loss
- 3iron loss is twice the copper loss
- 4the load current is at its maximum rated value
Correct answer
copper loss equals iron loss
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