When an electric heater is connected to the lighting circuit, the heat generated per minute is 3.3 * 10 to the fourth power J. how to calculate the current passing through the electric heater?
P=33000/60=550J/S
U=220V
P=UI
I=P/U=550/220=2.5A
P=33000/60=550J/S
U=220V
P=UI
I=P/U=550/220=2.5A