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When 15 A current flows into the positive terminal of voltage source 60 V. Calculate the power delivered by the source.

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When 15 A current flows into the positive terminal of voltage source 60 V. Calculate the power delivered by the source.

(a) -900 W

(b) 936 W

(c) -943 W

(d) 950 W

The question was posed to me in class test.

Asked question is from Electric Motors topic in portion Braking of Electric Motors of Electric Drives

1 Answer

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Best answer
Correct option is (a) -900 W

Best explanation: When the current enters the positive terminal of an element it will always absorb the power and when the current leaves the positive terminal it will deliver the power. Power delivered is -15×60=-900 W.

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