If one unit of electricity is equal to using 1000 Watt (1 Kilowatt) for one hour, then what is the cost of using a 800 Watt electric iron for 2.5 hours if the cost of electricity is Rs.5 per
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Answer: your answer is 10₹per2.5 hours a day
(But if they ask for 30 days than
30×2.5×10=750₹)
Explanation:
1unit =1000watt per/1hour
1000watt= 5₹ /1h.
1watt=5/1000=0.005₹/1h.
800watt=800×0.005=4₹/1h
If you use the iron for 2.5hours the cost will be-
4×2.5=10₹
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