Question

The peak voltage of an ac supply is 300 V. What is the rms voltage?

Answer 1

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