Calculate the amount of electric charge for a month using a bulb marked ‘220V – 100 W’ for 8 hours a day and an electric heater labelled ‘220 V – 1 A’ for 2 hours a day if the cost of a unit is Rs. 2.
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Answer:
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Explanation:
Correct option is B)
Given:
Power, P=60 W
Time, t=8 hrs
Energy consumed per day, E=Pt=60×8=480 Whr=
1000
480
=0.48 kWhr
Hence total cost, C=0.48×1.25=Rs.0.60
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