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Calculate the power across each 10 ohm resistance.

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in Basic Electrical Engineering by (88.7k points)
Calculate the power across each 10 ohm resistance.

(a) 1000kW, 1000kW

(b) 1kW, 1kW

(c) 100W, 100W

(d) 100kW, 100kW

I got this question during an interview.

Origin of the question is Power topic in chapter Simple DC Networks of Basic Electrical Engineering

1 Answer

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Best answer
The correct choice is (b) 1kW, 1kW

Explanation: This is parallel connected circuit, hence the voltage across each of the resistors is the same. P =(V^2)/R=(100^2)/10 = 1000W=1kW. Since both the resistors receive the same amount of voltage, the power in both is the same.

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