A heater has a power rating of 50 watts and runs for 10 seconds. How much energy does it use?
A light bulb has a power of 60 watts and is on for 15 seconds. How much energy does it consume?
A fan operates with a power of 30 watts for 20 seconds. How much energy does it use?
A motor runs at 25 watts for 40 seconds. Calculate the energy used.
An electric kettle has a power of 100 watts and runs for 5 seconds. How much energy does it use?
A 1.5 kW hair dryer runs for 10 seconds. How much energy does it use? (Hint: 1 kW = 1000 W)
A 2 kW washing machine is used for 20 seconds. How much energy does it consume?
A 0.8 kW microwave is on for 30 seconds. How much energy does it use?
9. A 0.5 kW vacuum cleaner runs for 15 seconds. How much energy does it consume?
10. A 1.2 kW electric drill operates for 25 seconds. How much energy does it use?