Question

Which uses more energy a250w tv set in 1hr or a 1209w toaster in 10 minutes

Answer 1

Answer:

♧Tv uses more energy

Explanation:

Energy = power × time

unit of energy is w s ( watt sec)

i) E = 250 × 60 × 60 = 9,00,000 w s

ii) E = 1209 × 10 × 60 = 7,25,400 w s