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Question
The peak voltage of an ac supply is 300 V. What is the rms voltage?
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Solution
Peak voltage of the ac supply, V0 = 300 V
Rms voltage is given as:
`"V" = "V"_0/sqrt2`
= `300/sqrt2`
= 150 `sqrt2` V
= 150 × 1.414 V
= 212.1 V
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