A $1000\,\text{W}$, $240\,\text{V}$ electrical device is turned on. What amount of energy does it use in $5.0\,\text{minutes}$?
- A$5000\,\text{J}$
- B$12\,000\,\text{J}$
- C$72\,000\,\text{J}$
- D$300\,000\,\text{J}$
Physics 5054 · O Level · Power
Physics 5054 · O Level · Power
A $1000\,\text{W}$, $240\,\text{V}$ electrical device is turned on. What amount of energy does it use in $5.0\,\text{minutes}$?