Question

State SI and practical units of electrical energy.

Answer 1

1. Electrical energy is the energy obtained from the movement of electric charges.
2. SI unit of electrical energy is Joule ‘J’
3. The commercial or practical unit of electrical energy is Kilowatt Hour (kWh).
4. $1$kWh$=3.6\times {10}^6$J

Hence, the SI unit of electrical energy is Joule ‘J’ and the practical unit of electrical energy is Kilowatt Hour (kWh).