two bulbs each of 40 w, one heater of 50 w and an ac of 1200 w is used daily for 5 hours. calculate the bill consumed by the house for the month of april if the tariff is rs. 2 per unit. *
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Correct option is
D
Rs. 3
Given :
P=0.1 KW
t=1 hour per day
Energy consumed per day kWh per day E=Pt=0.1×1=0.1
Total energy consumed per month E
T
=30×0.1=3 kWh per month
Cost of electricity =Re 1 per unit i.e per kWh
Monthly bill =Re. 1×3=Rs. 3 per month
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