Physics, asked by nice4, 1 year ago

an electrical heater is rated 1200w. how much energy does it use in 10 hours?

Answers

Answered by chandravilas0
48
Power = W/t
1200=E/10×3600
E= 1200×36000
Energy = 43200000 joules or 43.2 mega joule 

chandravilas0: thanks Nice4
Answered by Vipul11
55
1200W=1hour
In 10 hrs.
10hour=1200×10
=12000W
=12kW

chandravilas0: energy??
nice4: how much energy does it use in 10 hours???
Vipul11: yes ,you're right
Vipul11: the solution written by me is wrong ,the first one is correct
chandravilas0: edit it
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