A electric heater of 500W is used to hest water everyday for 2hr.calculate the number of unit of electrical consumed by it in 10 days.
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A electric heater of 500W is used to hest water everyday for 2hr.calculate the number of unit of electrical consumed by it in 10 days.
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To calculate the number of units (kilowatt-hours) of electrical energy consumed by the 500W electric heater when used for 2 hours every day for 10 days, you can use the following formula:
Energy (in kWh) = Power (in kW) x Time (in hours)
First, you need to convert the power of the electric heater from watts (W) to kilowatts (kW):
Power = 500W / 1000 = 0.5 kW
Now, you can calculate the energy consumption:
Energy (in kWh) = 0.5 kW x 2 hours/day x 10 days = 10 kWh
So, the electric heater consumes 10 kilowatt-hours of electrical energy in 10 days.