Question

An LED bulb transfers 200J of energy in 20s. Its power rating is ...

Answer 1

`\huge\boxed{\sf P = 10\ Watts}`

Step-by-step explanation:

Given:

Energy = E = 200 J

Time = t = 20 s

Required:

Power = P = ?

Formula:

P = E / t

Solution:

P = 200 J / 20 s

P = 10 Watts

`\rule[225]{225}{2}`

Hope this helped!

~AH1807