The voltage of domestic ac is 220 volt . What does this represent

The vottages of domestic ac Is 220 V. What does this represent ?

The r.m.s. voltage of domestic electricity supply is 220 volt. Electrical appliances should be designed to withstand an instantaneous voltage of

What electron volt represents.

A heater is rated as 220 volts, 880 watts. What is the current drawn by the heater when connected to a 220V a.c. mains? Calculate the resistance of heater.

The peak voltage in a 220 V AC source is

The peak voltage in a 220 V AC source is