Five electric fans of 120 watts each are used for 4 hrs. Two electric bulbs each of 100 watts are used for 3 hrs and one another electric appliance of 500 watts is used for 3hrs in a day. Calculate the energy consumed by all the appliances in a month.
[1 month=30 days]
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Explanation:
Power of 5 electric fans, P=5×120=600W=0.6 kW
t=4 hr
E=p×t=2.4 kWh
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