Physics · Transformers

A single-phase transformer has a maximum efficiency of 95% at 90% of full-load. Its efficiency values at no-load and full-load are respectively:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1100% and less than 95%
290% and 95%
395% and 90%
40% and less than 95%✓

Correct answer

0% and less than 95%

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A single-phase transformer has a maximum efficiency of 95% at 90% of full-load. Its efficiency values at no-load and full-load are respectively:

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A single-phase transformer has a maximum efficiency of 95% at 90% of full-load. Its efficiency values at no-load and full-load are respectively:

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