In a house, if three bulbs of 100W, 60W and 40W are used for 2 hour per day, how many unit of electrical energy would be consumed in 30 days?
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Explanation:
Total power consumed my bulbs per day = (100 + 60 + 40) x 2 = 200 x 2 = 400Whr
Total power consumed in 30 days = 400 x 30 = 12000Wh or 12kWh
(Btw it's Physics Question, not chemistry)
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