Question

state the commercial unit of electric energy and find its relation with its SI unit​

Answer 1

Answer:

The commercial unit of electrical energy is Kilo-watt -hour ( Kw-h).

1 Kwh = 3600000 joules

Answer 2

Commercial unit of electric energy is Kilowatt hour

The relation between commercial unit and S.I unit of electric energy 1 Kw h=$3.6\times 10^6 J$

Explanation:

Commercial unit of electric energy is Kilowatt hour(kwh)

S.I unit of electric energy is Joule.

1 kw=1000 watt

1 hour=3600

$1kw h=1000\times 3600=36\times 100000$J

$1kwh=\frac{36}{10}\times 1000000$J

$1 kwh=3.6\times 10^6$ J

By using property $10^6=1000000$

Because Watt-sec= Joule

Hence, the relation between commercial unit and S.I unit of electric energy 1 Kw h=$3.6\times 10^6 J$

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