Question

Calculate the electric energy consumed by 120watt transfer in 20 minutes.​

Answer 1

Answer:

I have denoted the symbols of quantities in front of their names.

Power P= 120 Watt

Time t= 20 minutes= 20× 60 s= 1200 seconds

We know that,

Power P = Work W ( or Energy E)/ Time taken t

Then, Energy E= Power P × Time t

So, Energy E= 120 W× 1200= 144000 J or 144 KJ.

Explanation: