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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Explanation:
Answer
Correct option is
D
Rs. 3
Given : P=0.1 kW t=1 hour per day
Energy consumed per day E=Pt=0.1×1=0.1 kWh per day
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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