If a 160W light bulb consumes 1000J of electrical energy in a given time, then in the same time interval, how much energy will a 40W light bulb consume?


Respuesta :

160w/4 = 40w
1000J/ 4= 250J
a 40w light bulb will consume 250J

Answer:250J

Explanation:

160*t=1000

40* 1000/160= 250