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Conestoga Physical Science Chapter 8
the force of repulsion (pushing) or attraction (pulling) between poles of magnets. Properties and interactions of magnets
Exerts a force on other magnets and objects made of magnetic materials.
Where the magnetic force exerted by the magnet is strongest.
Groups of atoms with aligned magnetic poles.
Temporary magnet made by wrapping a wire coil carrying a current around an iron core.
Single wire wrapped into a cylindrical wire coil.
A gauge that uses an electromagnet to measure electric current.
Device that changes electrical energy into mechanical energy.
The generation of a current by a changing magnetic field.
Uses electromagnetic induction to transform mechanical energy into electrical energy.
A large wheel that rotates when pushed by water, wind, or stream.
Direct Current, DC
Flows only in one direction through a wire.
Alternating Current, AC
Reverses the direction of the current in a regular pattern.
Device that increases or decreases the voltage of an alternating current.