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Question

Statement I: Power = V2R is used only when the potential difference across the resistors are constant.

Statement II: Power = I2​R is used only when current in the resistors are constant.


A

Both statements are false

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B

Both statements are true

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C

I – true, II – false

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D

I – false, II – true

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Solution

The correct option is B

Both statements are true


Power = V2R when V is constant. While Power = I2​R when I is constant in the circuit. We try to minimize the number of variables in an equation.


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