what explains the power rating of
a bulb?
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A power rating is a measurement of the maximum amount of power that can be used with a specific tool or device. ... The power rating on these devices is usually determined by the amount of heat created from electrical power, as the heat that is created will damage the device if it reaches a certain level.
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A Watt is another measure of power defined as 1 Joule/sec. ... think of a light bulb rated at 100 Watts. This is the power rating for the bulb. It tells us how much electricity the bulb can transform into light and heat over a given amount of time. If left on for one hour, a 25-W bulb will use 25 Watt-hours (Wh) of energy
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