Question

anyone know tis question

Answer 1

Ans a) Commercial unit of electrical energy is kWh (kilowatt-hour).

b) The SI unit of energy is Joule(J)

Relation= 1kWh = 3.6 × 10^6 J

c) Knowledgeable,honest

d) 1) Switch off lights when not in use.
2) Use cfl instead of traditional electric bulbs.


hope this helps you