b 22.5 kWh
Energy used = power x time
Energy used = 4.5 kW x 5 hours
Energy used = 22.5 kWh
essential air conditioner uses 4.5 kW it runs for five hours over the course of a day. How much energy does the air conditioner use during that day?
a 0.9 kWh
b 22.5 kWh
c 0.5 kWh
d 9.5 kWh
1 answer