When a light bulb is rated at 60 W, it means that the bul…
When a light bulb is rated at 60 W, it means that the bulb uses 60 J of power when it is lit. current is traveling at 60 m/s through the filament. each second, the bulb converts 60 J of electrical energy to heat and light. the bulb loses 60 W of potential energy each second.