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## Homework Statement

An AC generator produces a voltage of peak value V. The frequency of rotation of the coil of the generator is doubled. The r.m.s. value of the voltage produced is

## Homework Equations

The answer is V multiplied by [tex]\sqrt{}2[/tex] but I don't understand why.

## The Attempt at a Solution

I know that Vrms = Vo/[tex]\sqrt{}2 [/tex]so how does a division become a multiplication?