PH-1985
Electrical power and energy
Physics · Secondary 4 · Easy · Electrical power and energy
A 2.0 kW water heater is used for 15 minutes each day. How much electrical energy does it use in one day?
- 3.0×10^4 J
- 1.8×10^5 J
- 1.8×10^6 J
- 3.0×10^6 J
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.