Chances are, if you ask the average person how volts, amps, and watts differ, all you’re going to get is a puzzled look. For folks who may need to deal with voltage or wattage issues concerning their favorite electronic devices, knowing the difference can help.
When trying to grasp the difference between watts and volts, the analogy of a water hose can help. Think of volts as the pressure moving water through the hose. Think of watts as how quickly the hose fills up a water bucket. Amps are the rate of flow in the hose, even when it’s turned off. Volts are a measure of the force making electricity move, while watts are a measure of the rate of energy transfer. Amps refer to a unit of electric current equal to a flow of one coulomb per second.
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