A domestic air-source heat pump has an electrical power input of 3200 W.
Show that the heat pump uses 8.64 MJ8.64\text{ MJ}8.64 MJ of electrical energy when running continuously for 45 minutes45\text{ minutes}45 minutes.
[3]
Markscheme
10.3 Electrical energy and power Questions
31 exam-style questions on Edexcel GCSE Physics 10.3 Electrical energy and power. Each one has a worked solution and a mark scheme showing where the marks go.