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State the S.I. Units of Electrical Power and Electrical Energy. (I) Define the Household Unit of Electricity. (Ii) What is the Voltage of the Electricity that is Generally Supplied to a House? - Physics

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State the S.I. units of electrical power and electrical energy.
(i) Define the household unit of electricity.
(ii) What is the voltage of the electricity that is generally supplied to a house?

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The SI unit of electrical energy is joule.
The SI unit of electrical power is watt.
(i) Kilowatt-hour is the household unit of electrical energy. It is defined as the quantity of electrical energy consumed in 1 hour when the rate of consumption is 1000 watts, i.e. 1000 J/s.
(ii) A voltage of 220 volt is generally supplied to a house.

Concept: Electrical Energy and Power
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Frank ICSE Class 10 Physics Part 2
Chapter 4 Current Electricity
Exercise 4.2 | Q 18 | Page 188
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