Eli5: What is a watt?

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I want to go camping but use a generator to run a computer. A laptop and desktop need different watts. You have to put the right amount of watts into each device. Different outlets have different watts. The watts in a cigarette lighter are different than the watts in a generator.

What is a watt? What do different watt numbers mean? What happens if I have a device sending too many watts or not enough to a device? Is it critical or just ideal to match them?

In: Engineering

6 Answers

Anonymous 0 Comments

Watts is work getting done. It’s the electricity doing something. Volts and amps is electricity in a circuit but only running through a circuit and not doing anything useful. If that electricity makes a motor move, a light come on, heat being emitted, etc, that’s watts.

One watt is one volt times one amp. A volt is potential energy and an amp is kinetic energy. If one volt pushes one amp through something to do work, it generates one watt. If you need more than one watt you need to increase voltage or amps.

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