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Calculate the value of the power if voltage=4.2 V and current=10 A.

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in Electric Drives by (99.8k points)
Calculate the value of the power if voltage=4.2 V and current=10 A.

(a) 42 W

(b) 12 W

(c) 16 W

(d) 18 W

I have been asked this question in homework.

Question is from Induction Motors in chapter Speed Control of Direct Current Motors & Induction Motors of Electric Drives

1 Answer

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The correct option is (a) 42 W

The explanation is: Power is the product of the voltage and current. It is generally expressed in term of W. P=vi=4.2×10=42 W. 1 horsepower=746 W.

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