static electricity

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static electricity by Mind Map: static electricity

1. charging

1.1. rubbing

1.1.1. using fur to separate electrons

1.2. induction

1.2.1. production of electric charge on the surface if a conductor under the influence of a magnetic field

2. the charge

2.1. positive

2.1.1. do not move

2.2. negative

2.2.1. move around

2.3. like charges attract, unlike charges repel

3. the electric field

3.1. "a region in which an electric charge experiences a force"

3.2. the rules

3.2.1. begin from positive charges, end at negative charges

3.2.2. number of lines from a charge is proportional to magnitude of charge

3.2.3. field lines must not cross

4. applications

4.1. photocopier

4.2. laser printer