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AC Applied to a Resistor

The root mean...

Question

The root mean square value of the voltage in an AC circuit with peak voltage $V_{0}$ is

A

0.637 V₀

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B

0.707 V₀

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C

2V₀

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D

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Solution

The correct option is B
0.707 V₀

$V_{r m s} = \frac{V_{0}}{\sqrt{2}} = 0.707 V_{0}$

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