1) A 900 Watt microwave oven is switched on for 50 seconds. How much energy is transferred to the microwave oven?
Answer: J

2) A 600 W toaster is used for 2 minutes. How much energy does it consume?
Answer: J

3) A 1500 W kettle is operated for 3 minutes. Calculate the energy transferred.
Answer: J

4) A 2000 W heater runs for 5 minutes. How much energy does it use?
Answer: J

5) A 100 W light bulb is switched on for 1 hour. Find the energy transferred.
Answer: J

6) A 500 W television is on for 2.5 hours. How much energy is used?
Answer: J

7) A 1200 W hairdryer is used for 10 minutes. How much energy is transferred?
Answer: J

8) A 750 W iron is in use for 15 minutes. Calculate the energy consumption.
Answer: J

9) A 250 W fan runs for 4 hours. How much energy is transferred?
Answer: J

10)A 1800 W oven is used for 1.5 hours. How much energy does it consume?
Answer: J

1. Gas central heating is used for three weeks. 450 kWh of energy is transferred in.

If 1 kWh costs 6p, calculate the cost of using the central heating.
Total cost =  £

2. An electric heater is used for five days. 150 kWh of energy is transferred in.

If 1 kWh costs 8p, calculate the total cost.
Total cost =  £

3. A washing machine consumes 120 kWh of energy in a month.

If the cost per kWh is 10p, what is the total cost?
Total cost =  £

4. A refrigerator runs for a month, consuming 90 kWh of energy.

If 1 kWh costs 12p, find the total cost.
Total cost =  £

5. A tumble dryer is used for 20 hours in a month and consumes 180 kWh of energy.

If 1 kWh costs 9p, find the total cost.
Total cost =  £

6. An oven uses 250 kWh of energy over a month.

If the cost per kWh is 7p, calculate the total cost.
Total cost =  £

7. A television is used for 200 hours and consumes 50 kWh of energy.

If 1 kWh costs 5p, calculate the total cost.
Total cost =  £

8. A dishwasher uses 70 kWh of energy in two weeks.

If the cost per kWh is 11p, what is the total cost?
Total cost =  £

9. An air conditioner runs for 100 hours and consumes 300 kWh of energy.

If 1 kWh costs 13p, calculate the total cost.
Total cost =  £

10. A water heater is used daily and consumes 600 kWh of energy per month.

If 1 kWh costs 15p, what is the total cost?
Total cost =  £