SC-1188
Energy transfer
Lower Sec Science · Secondary 2 · Hard · Energy transfer
A family uses the following appliances at home:
- A 150 W fan for 5 h each day
- A 600 W washing machine for 1 h each day
- A 400 W television for 3 h each day
Calculate the total electrical energy used by these three appliances in one week, in kWh.
- A 150 W fan for 5 h each day
- A 600 W washing machine for 1 h each day
- A 400 W television for 3 h each day
Calculate the total electrical energy used by these three appliances in one week, in kWh.
- 17.85 kWh
- 1.785 kWh
- 178.5 kWh
- 12.6 kWh
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.