An electric heater has two power settings .One Setting is 0.5kW and the other is 1.5kW One Kwh Of Electricity Cost 11 Pence . Calculate how much you would save if you used the heater 12 hours on the 0.

An electric heater has two power settings .One Setting is 0.5kW and the other is 1.5kW One Kwh Of Electricity Cost 11 Pence . Calculate how much you would save if you used the heater 12 hours on the 0.5 setting Instead of the 1.5kW Setting

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An electric heater has two power settings .One Setting is 0.5kW and the other is 1.5kW One Kwh Of Electricity Cost 11 Pence . Calculate how much you would save if you used the h…

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