What is a generator?

Answer 1

yoko,

It is a mechanical device that generates electricity.

Electricity is funny stuff. Thomas Edison and Nikola Tesla argued over whether direct current or alternating current is better. Eventually, we all realized that alternating current is better most of the time because it is more useful--it will run more motors and let us transform electricity into different voltages. Transformers don't work on direct current.

But they all start when electricity is generated. To do that, we need a source of one kind of mechanical energy, for energy cannot be created or destroyed, only transformed from one type to another. That is, unless you build a nuclear bomb, which you probably haven't.

But we can turn rotating energy, or the mechanical energy that will turn a generator, into electricity. For that we need a source of that mechanical energy, like falling water or wind or an engine--steam, gasoline, diesel-- that will turn the generator to produce electricity.

What a basic generator does is to turn some magnets mounted on a shaft inside a coil of wire. The magnetic field of the magnets turning inside the coil makes electrons move in the wire of the coil, and this produces electricity.

It's actually something you can do at home, with homemade equipment. You won't be able to make much electricity, but you will be able to make some.

This is a kit for doing just that:

http://www.kidslovekits.com/projects/KITWG/

It's simple to do.

A true generator will always make direct current.

Now, to make alternating current, you need an alternator, a little more complicated, but it's basic physics is very similar to a generator.

Hope this helps.

Answer 2

A generator is a mechanical rotor turned inside a stationary magnetic field by some type of engine, water, wind, diesel, steam or whatever. The rotor is composed of iron and usually copper windings around it. The magnetic field in the stator induces an electromotive force on the free electrons in the copper wire. When connected to a completed circuit by conductors, the electromotive force, EMF, causes the electrons to bump into a different atom's electron shell and displace its electron to another atom. This bumping of electrons from atom to atom is electricity.

Answer 3

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Answer 4

it is something that turns a wheel that makes electricity
anything that Will turn that wheel will make electricity from the generator, it could be a water wheel that turns a wheel that then makes electricity from the generators, theres generators in cars.waterfalls turn wheels that make electricity you use in your home.

Answer 5

a gizmo to generate stuff.