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Power

List the name...

Question

List the names of three electical gadgets used n your house. Write their power, voltage rating and approximate time for which each one is used in a day. Hence find the electrical energy consumed by each in a month of 30 days.

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Solution

Appliance Power
(in watt) Voltage
( in volts) Time
(hours) Electrical energy
(E=p×t)

Flourescent tube 40 220 120 0.48KWh

Television set 120 220 4 0.48 KWh

Refrigerator 150 220 24 3.6KWh

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