Question

Name and define the si unit and commercial unit of energy?established a relationship between the two?

Answer 1

SI unit of energy is Joule.

Commercial unit of energy is kWh.

1 kWh = 1 kW x 1 h

= 1000 W x 3600 s

1 watt - second = 1 joule

1 kWh = 3600000 J

Answer 2

Energy can be defined as the capacity to do work. It can be kinetic energy, potential energy, electrical energy, nuclear energy, and other kinds of energy.

Explanation:

• The commercial unit of energy is kWh.
• SI unit of energy is Joule.
• The amount of energy required to work by the device per hour at a constant rate.
• The heat is one form of energy which can be transferred from one body to another.

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