Physics · Electromagnetism and Transformers
With reference to an electrical transformer, which of the following statements is incorrect?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The efficiency of a well-designed transformer is typically in the range of 95% to 99%.
- 2Copper loss equal to iron loss is the condition for maximum efficiency.
- 3The high voltage winding is placed closest to the core to minimize insulation costs.✓
- 4The core material should have a low core loss and high magnetic permeability.
Correct answer
The high voltage winding is placed closest to the core to minimize insulation costs.
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