An electric heater draws a current of 10ampere from a 220volt supply . what is the cost of using the heater for five hours for 30days.If the cost of 1unit is rupees 5.20
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good afternoon
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here is your answer
P=VI
P=220 X 10
P=2200 W
ELECTRIC ENERGY= P X t
=2200 X 5
= 11000Whr
=11kWhr.
= for 30 days at the cost of 5.20 rupeess
= 11x 30x 5.20
= Rs.1716
_______________________
good afternoon
______________
here is your answer
P=VI
P=220 X 10
P=2200 W
ELECTRIC ENERGY= P X t
=2200 X 5
= 11000Whr
=11kWhr.
= for 30 days at the cost of 5.20 rupeess
= 11x 30x 5.20
= Rs.1716
aditishikha:
thanks
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