An electric heater is rated 1500 W. How much energy does it use in 10 hours?
An electric heater is rated 1500 W. How much energy does it use in 10 hours?
4 views
1 Answers
We know that, Energy = Power × time
Here, Power = 1500 W
Time = 10 hours = 10 × 60 × 60 seconds = 36000 seconds
Therefore,
The energy used by heater = Power × time
= 1500 × 36000 J
= 54000000 J
= 5.4 × 107 J
4 views
Answered