Magnets

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What happens when you bring two magnets close together?

They exert a magnetic force.

What would happen if you put two north poles together?

They would go away from eachother.

What would happen if you put a north pole and a south pole together?

They would pull together.

What would happen if you put two south poles together?

They would push away from eachother.

What are the possible outcomes of putting two magnets together?

pulling together or pushing away.

Electromagnet

A coil that has a soft iron core and that acts as a magnet when an electric is in the coil.

Solenoid

A cool of wire with an electric current in it.

Electric motor

A device that converts electrical energy into mechanical energy.

Electric generator

A device that converts mechanical energy into electrical energy.

Transformer

A device that increases or decreases the voltage of alternating current.

Ring Magnet

A larger version of the circle magnet with a circle cut out in the middle.

U-shaped Magnet

A magnet in the shape of a U.

Bar Magnet

A magnet in the shape of a bar with poles at the ends.

Circle Magnet

A magnet in the shape of a circle.

Horseshoe Magnet

A magnet in the shape of a horseshoe.

What is an electromagnet?

A magnet made by an electric current.

Cow Magnet

A magnet that is actually, usually fed to cows.

What is a temorary magnet?

A magnet that is easy to magnetize and easy to demagnetize.

What is a permanent magnet?

A magnet that is very difficult to demagnetize.

Magnet

A piece of iron that has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field.

What is a magnetic field?

It is the region around a magnet in which magnetic forces can act.

What does a magnetic force result from?

It results from spinning electric charges.

What would happen if you cut a magnet in half?

It would turn into two magnets.

What are ferromagnets?

Magnets with strong magnetic properties.

How do you demagnetize an object?

Move the atoms out of place by either hitting it or doing it manually.

How do you magnetize an object?

Must be a metal, rubbing a magnet against it many times.

Where is the magnetic effect strongest on a magnet?

Near the ends of the magnet.

Magnet force

The force of attraction or repulsion generated by moving or spinning electric charges.

Electromagnetism

The interaction between electricity and magnetism.

Electromagnetic induction

The process of creating a current in a circuit by changing a magnetic field.

What are the poles on a magnet?

There are two poles on a magnet a North Pole and a South Pole.


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