PH-1898
Electrical power and energy
Physics · Secondary 4 · Easy · Electrical power and energy
A heater is connected to a 12 V supply and draws a current of 3.0 A. What is the power of the heater?
- 18 W
- 36 W
- 4.0 W
- 0.25 W
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.