An electric heater of power 2000 W and 1000 W electric iron of power are used for 4 h daily, when connected to 220 V mains supply. Total number of units (n) consumed in one month. Find the cost of Electricity @ Rs 6/- per unit.
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Answer:
2160 rupee.
Explanation:
an electric heater of power 2000 watt
an electric iron of power 1000 watt
so total wattage =(2000+1000)=3000 watt.
if that used daily 4 hours..then it consumed (3000×4)
=12000 watt.
=12 b.o.t
=12 unit.
in a month power will consume =(12×30)
=360 unit.
if every unit cost 6 rupees...
then total cost in a month = (360×6) =2160 rupees.
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