An electric heater of rating 1000 W is used for 5 hrs per day for 20 days. The electrical energy utilised is (a) 150 kWh (b) 200 kWh (c) 100 kWh (d) 300 kWh
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You need to calculate the total electrical energy utilized by an electric heater with a power rating of 1000 W when it is used for 5 hours per day over a period of 20 days. Show more…
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