From the following, the biggest unit of energy is?
A
Joule
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B
Kilowatt hour
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C
Erg
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D
Electron volt
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Solution
The correct option is A Kilowatt hour Since, we know that SI unit of energy is represented by Joule. Hence, let us convert all the different units in the form of Joules.
1Joule=1Joule
1Kwh=3600000Joule
1erg=10−7Joule
1eV=1.6×10−19Joule
Hence, Kilowatt hour is the largest unit of energy and hence it is practically used in everyday life of electric consumption.