An electric bulb of 100W is used for 5 hours per day.calculate the 'units' of energy consumed in one day by the bulb.
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Explanation: Energy consumed by bulb in one day = 5 *100W = 500 WH
And, we know, 1 KWH=1000 WH = 1 unit
So, 500 WH = 0.5unit.
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