Question

A certain household has consumed 450 units of energy .How much energy in this is joules ?

Answer 1

First of all,

1 unit of energy or 1 kilowatt hour=3.6×10⁶ Joules.

Therefore ,

450×3.6×10⁶=1,62,00,00,000 J

Answer 2

same 450 joule

E=p× t

p= v× I

so E= I2 ×R×t is qule to work .