Answer:
Power, P = 480 W
Step-by-step explanation:
It is required to find the power used by 4 A appliance that is plugged into a 120 V circuit for 4 minutes. Power used by an appliance is given by the formula as follows :
![P=VI](https://img.qammunity.org/2021/formulas/physics/high-school/okla20ufr4hhfjvdf5w1ammza1uw0hnaju.png)
Plugging all the values we get :
![P=120* 4\\\\P=480\ W](https://img.qammunity.org/2021/formulas/physics/high-school/koum16f4qt3nl1dnwazobnku727jtepb28.png)
So, the power used by the appliance is 480 W.