What would be the cost of using 2fans of 40w each for 8hrs aday for aweek the rate of rs 5per unit
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Answer:
Bulb Rating = 40 W = .04 kW
Bulb illuminates for = 10hrs/day
Bulb consumes units( kWH)/day= .04×10= .4 kWH/ day = .4 units/ day
In 30 days = .4×30 = 12 units
1 unit cost = 250/-
12 units cost = 250×12 = 3000/-
Explanation:
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Answer:
there are two fans
one fan take 40 w per day
2× 40 = 80
the question is asked for a week
therefore , 80× 7= 560
the rate of unit is rs5 / unit
therefore, 560 × 5= 2800 rupees
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