two bulbs of 100watt are lightened for 10 hours per day how many units of electric energy will be consumed in 1 month
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2 bulbs of 100W are used 10hr per day in a month.
we shall find first the 1 bulb.
N = Pt÷1000-Wh/unit
= 100*310÷1000
= 31 units.
2 bulb are used 100W are used 10 hr
= 31 + 31
= 62 units.
Therefore, 2 bulbs will take 62 units in a month.
The month may be of 30 days i have taken 31 because a month can maximumly contain 31 days. If the days are 39 in a month than it will be 30 units of a bulb and 60 units of 2 bulbs.
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