tubelight of 40 words working for 7 hours what is the the work done.
Answers
Answered by
1
Answer:
Work done=100800 J
Explanation:
P=40W
W=?
Time=7hours=7*60*60
W=40*7*60*60
W=100800J
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Answered by
4
Answer:
40 watts of power over 12 hours amounts to 7x 40 = 280 watt-hours of energy, or 280/1000 = 28kilowatt-hour (kwh) of energy. Most electric companies charge around 15c per kwh, so the cost for 7 hours at 40 watts would be about $.07.
Explanation:
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