A household uses the following electrical appliances every day: • an electric geyser…
PHYSICS · Multi-part · CBSE · Physics · Current Electricity · Current Electricity
Problem
A household uses the following electrical appliances every day:
• an electric geyser of 1.5kW for 1h
• a ceiling fan of 100W for 10h
• two LED lamps each of 50W for 5h
(i) Calculate the total electrical energy consumed in one day in kilowatt-hour.
(ii) Convert the result of part (i) into joules.
(iii) Compare the daily household energy obtained in part (ii) with 1MJ by finding their ratio.