A toy car has a simple electrical circuit with a 5.0 V battery and a motor. There is a 30 mA current in the motor. How much energy is transferred to the motor in 8.0 minutes8.0\text{ minutes}8.0 minutes?
1.2 J1.2\text{ J}1.2 J
72 J72\text{ J}72 J
1.2 kJ1.2\text{ kJ}1.2 kJ
72 kJ72\text{ kJ}72 kJ
69 exam-style questions on CIE IGCSE Physics 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.