Question Bank - General Science

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Which of the following expressions represents the conversion of 1 kWh in joules?

A.
1 kWh = 3.6 Ãƒ€” 106
B.
1 kWh = 3.6 Ãƒ€” 104
C.
1 kWh = 6.3 Ãƒ€” 106
D.
1 kWh = 3.6

Solution:

The correct answer is 1 kWh = 3.6 À” 106. A unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power is called 1kWh.? 1 kWh = 3.6 À” 106Additional Information1kWh = 1 Unit1kWh = 1 kW x 1 h=1000 W x 60 x 60 s= 3.6 x 10^6 Ws= 3.6 x 10^6 J [1J = 1Ws]Important PointsNote: Joule is the SI unit of Electrical energy

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