In sumpner’s test, iron losses and copper losses is equal to W1 / 2, W2 / 2

Q.  If W1 is the input power measured by the wattmeter connected across the primaries and W2 is the measurement of wattmeter connected in secondary’s while performing sumpner’s test then iron losses and copper losses is equal to
- Published on 29 Oct 15

a. W1, W2
b. W1 / 2, 2 * W2
c. 2 * W1, W2 / 2
d. W1 / 2, W2 / 2

ANSWER: W1 / 2, W2 / 2

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