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Static Electricity by Mind Map: Static Electricity
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Static Electricity

Type of charges

Positive

Negetive

Neutral

Number of positve charges is equal to number of negetive charges

Laws of Static Electricity

Like charges repell

Unlike charges attract

Methods of charging

Rubbing

Examples, Plexiglass Rod and wool, Van De Graaff generator, Amber rubbed with fur

Induction

Induction is the production of elecric charge on the surface of a conductor under the influence of an electric field

Methods of charging through induction, Using two metal spheres and a negetively charged rod, Earthing process

Electric field

An electric field is region in which an electric charge experiences a force.

An electric field line is the path a positive charge would take if it is free to move.

Electric Field lines are directed radically outward from a positive charge.

Electric field lines are directed towards a negetive charge

Van De Graaff generator

Charged by running a rubber belt over two electrodes

Applications of static electricity

Photocopier

Laser printer

Paint spraying

Electrostatic precipitator

Hazards

Can cause sparks and fires

Natural occurances

Lightning