A household uses a computer for each day and a room heater for each day

PHYSICS · Multi-part · GCSE · Physics · Electricity · Electricity

Problem

A household uses a

300\,\text{W}

computer for

6\,\text{h}

each day and a

1.2\,\text{kW}

room heater for

2\,\text{h}

each day. Determine the total electrical energy consumed by both appliances in a

30

-day month. (a) Give your answer in kWh. (b) Also express the result in megajoules (MJ).