caculate the electricity bill amount for a month of 30 days,if the following devices are used as specified : a)two bulbs of 40W for six hours b)two tubelights of 50W for eight hours c)a TV of 120W for six hours
sompuraharshit3:
what is the charge per unit??
d)give the rate of electricity is 2.50 rupees per unit
150 rupees in one month.
is it correct?
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total power consumed=
30 (2×40×6+2×50×8+120×6)W
in kWh=30 (2×40×6+2×50×8+120×6)/1000
cost=?
30 (2×40×6+2×50×8+120×6)W
in kWh=30 (2×40×6+2×50×8+120×6)/1000
cost=?
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