If a 1000 W heater is used for 3 hours, how much energy does it consume in kilowatt-hours?
Practice Questions
1 question
Q1
If a 1000 W heater is used for 3 hours, how much energy does it consume in kilowatt-hours?
3 kWh
2 kWh
1 kWh
0.5 kWh
Energy consumed in kilowatt-hours is calculated as E = P (kW) * t (h). Here, P = 1000 W = 1 kW and t = 3 hours. Thus, E = 1 kW * 3 h = 3 kWh.
Questions & Step-by-step Solutions
1 item
Q
Q: If a 1000 W heater is used for 3 hours, how much energy does it consume in kilowatt-hours?
Solution: Energy consumed in kilowatt-hours is calculated as E = P (kW) * t (h). Here, P = 1000 W = 1 kW and t = 3 hours. Thus, E = 1 kW * 3 h = 3 kWh.
