Question

Define energy and establish relationship between S.I unit & commercial unit of energy.

Answer 1

Answer:

the power that comes from coal, electricity, gas, etc. that is used for producing heat, driving machines, etc

Answer 2

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The S.I. unit of energy is “Joule” denoted as “J”, and the commercial unit of energy is “Kilowatt hour” and is denoted as kWh so far. The relation between both joule and kilowatt of the energy is done as below: 1 kWh = 1000W*3600 seconds. = 1*10^3*3.6*10^3 joule.

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