Given that 0.8 MJ of energy is used in 3.5 minute of time
Now we need to find the power rating
so here power consumed is given by rate of energy which is defined by formula
[tex]Power = \frac{Energy}{time}[/tex]
now we will plug in all given data
[tex]Energy = 0.8 MJ = 8 * 10^5 J[/tex]
[tex]time = 3.5 min = 3.5 * 60 = 210 s[/tex]
now we will find the power
[tex]P = \frac{8 * 10^5}{210}[/tex]
[tex]P = 3809.5 Watt[/tex]
[tex]P = 3.81 kW[/tex]
so it will consume total 3.81 kW power
