Physics · Electrical Machines
The efficiency of a power transformer is maximum when:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Copper loss is zero
- 2Copper loss is less than iron loss
- 3Copper loss is greater than iron loss
- 4Copper loss is equal to iron loss✓
Correct answer
Copper loss is equal to iron loss
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