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When 1 A current flows out of the positive terminal of voltage source 6 V. Calculate the power delivered by the source.

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When 1 A current flows out of the positive terminal of voltage source 6 V. Calculate the power delivered by the source.

(a) 6 W

(b) 7 W

(c) -9 W

(d) -5 W

This question was posed to me by my school teacher while I was bunking the class.

I'm obligated to ask this question of Regenerative Braking of DC Series Motors in portion Braking of DC Motors & Induction Motors of Electric Drives

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Correct choice is (a) 6 W

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 by the source is 1×6=6 W.

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