Following electric appliances are used in a house. Calculate electricity bill for the month of
January 2021. Rate per unit is Rs 5.
a) 4 Electric bulbs of 50 W used for 4 hours per day.
b) 1 Geyser of 1.5 kW 1 hr per day
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Answer:
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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