a heater consumes 3 kwh when operated for 2.5 hours. Find the power rating of the heater. how much heat is produced in joule by the heater in 10 minutes? What is the cost of running the heater for an hour everyday at the rate of 6rs in the month of april?
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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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