Question

Question 22:
Which uses more energy : a 250 W TV set in 1 hour or a 1200 W toaster in 10 minutes ?

Lakhmir Singh Physics Class 10

Answer 1

Answer:

TV

Explanation:convert time into seconds

1*3600=3600 seconds

250/3600

Energy =power(W)*time(s)

energy=250*3600

energy of tv=900,000J

energy of toaster=power(w)*time(s)

enefy of toaster=1200*(10*60)

energy of toaster=720,000W

hence the tv uses more energy

Answer 2

Answer:

☆☆☆☆☆☆☆

Explanation:

this is your ans

I hope it helps to you