Chapter 12: Magnetism Flashcards Preview

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Flashcards in Chapter 12: Magnetism Deck (12)
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1

Have a North and South Pole.

Bar magnets

2

The space around and influenced by the magnet.

Magnetic Field

3

Clusters of aligned magnetic atoms.

Magnetic Domains

4

Are responsible for magnetism.

Electron Spin & Electron Revolution

5

A magnet created by electric current flowing through a cool around a piece of wire.

Electromagnet

6

Device used to measure amperes of a current.

Ammeter

7

Device used to measure voltage across a circuit.

Voltmeter

8

A device that uses a current carrying coil focused to rotate in a magnetic field to convert electrical energy to mechanical energy.

Electric Motor

9

The creation of voltage when a magnetic field changes with time.

Electromagnetic Induction

10

The induced voltage in a coil is proportional to the number of loops multiplied by the rate at which the magnetic field changes within those loops.

Faraday's Law

11

Mechanical energy is changed to electrical energy.

Generator

12

Similar to electric forces. Like poles repel each other, opposite poles attract.

Magnetic Forces