Physics · Electrical Machines

The efficiency of a large transformer under full load condition is found by conducting which of the following tests?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Core balance test
2Open Circuit (OC) test
3Sumpner's test✓
4Short Circuit (SC) test

Correct answer

Sumpner's test

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The efficiency of a large transformer under full load condition is found by conducting which of the following tests?

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