a tubelight of 40 W power is used daily for 6 hours . how many units of energy are being consumed in 30 days
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Answer:
here is your answer
Explanation:
40 watts x 10 hrs = 400 watts that is 0.4Kw or 0.4 units/day. A unit is a kilowatt.
30 days x 0.4 units = 12 units total usage.
I believe the average cost of a unit in India is about Rs. 2.5 (your Rs.250 is obviously in error).
So 30 day cost = 12 x 2.5 = Rs. 30
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