Question

Define Root mean square value and also write mathematical expressions ?​

Answer 1

RMS or root mean square value depend based on heating effect of wave form.

the the voltage at which the heat dissipation in AC circuit is equal to heat dissipation in DC circuit is called root mean square value in voltage or in current.

Note

provided both AC and DC circuit have equal value of resistance and operated for same time.

Mathmetical expression

attached above ....