The power rating of the toaster will be 10 Watt
Power = Energy/time
Power = 100 joules/10 seconds = 10 Watt
So, power rating of the toaster is 10 Watt
Power, in science, time rate of doing work or delivering energy, expressible as the amount of work done W, or energy transferred, divided by the time interval t or W/t.
The SI unit for power is the watt W, where 1 watt equals 1 joule/second (1 W = 1 J/s).
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