Physics Mains Electricity
A consumer has the following appliances operating in his house for the times indicated in one day:
Appliance Time
Two 40 W bulbs 30 min
One 500 W fridge 10 hrs
Four 57 W bulbs 3 hrs
One 3kW electrical heater 45 min
One 100 W television 5 hrs
Calculate:
(a) the total power of the appliances used
(b) the total electrical power consumed in kWh in 30 days, assuming that the power consumption per day is the same.
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