(ii) The following table shows the electrical appliances used by a person for every day.No.ElectricalNo. of Appliances Time of useAppliances1.Lamp (40W)1514 hours/dayElectric2.Heater(1600W)Refrigerator(200W)25 hours/day3.124 hours/dayCalculate the electricity bill of the household for the month if the cost per unit of electric energy is 10 Bz/ kWh.(1) Total energy(in kWh) consumed in the month =kWh(2) Electricity bill(in riyals) for the month =riyals

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(ii) The following table shows the electrical appliances used by a person for every day. No. Electrical No. of Appliances Time of use Appliances 1. Lamp (40W) 15 14 hours/day 2. Electric Heater(1600W) 5 hours/day 3. Refrigerator 1 24 hours/day (200W) Calculate the electricity bill of the household for the month if the cost per unit of electric energy is 10 Bz/ kWh. (1) Total energy(in kWh) consumed in the month = kWh (2) Electricity bill(in riyals) for the month = riyals

(ii) The following table shows the electrical appliances used by a person for every day. No. Electrical No. of Appliances Time of use Appliances 1. Lamp (40W) 15 14 hours/day 2. Electric Heater(1600W) 5 hours/day 3. Refrigerator 1 24 hours/day (200W) Calculate the electricity bill of the household for the month if the cost per unit of electric energy is 10 Bz/ kWh. (1) Total energy(in kWh) consumed in the month = kWh (2) Electricity bill(in riyals) for the month = riyals

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter22: Electric Current

Section22.2: Using Electric Energy

Problem 31PP

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