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→Energy Usage of Appliances
|+ The Power ratings of some electrical appliances.
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| style="height:20px; width:200px; text-align:center;" |'''Filament Bulb'''
A 60[[Watt]] filament bulb may be used for 8 hours a day. Calculate the [[energy]] in kilowatt-hours.
| style="height:20px; width:200px; text-align:center;" |'''Energy Saving Bulb'''
A 25[[Watt]] energy saving bulb may be used for 8 hours a day. Calculate the [[energy]] in kilowatt-hours.
| style="height:20px; width:200px; text-align:center;" |'''Kettle'''
A 2000[[Watt]] kettle may be used for 30 minutes a day. Calculate the [[energy]] in kilowatt-hours.
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: Energy = 1.0kilowatt-hours
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| style="height:20px; width:200px; text-align:center;" |'''Television'''
A 250[[Watt]] television is left on for 3 hours each day.
| style="height:20px; width:200px; text-align:center;" |'''Refrigerator'''
A 200[[Watt]] refrigerator is on for 24 hours each day.
| style="height:20px; width:200px; text-align:center;" |'''Oven'''
A 2500[[Watt]] television is left on for 45 minutes each day.
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