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Static Electricity by Mind Map: Static
Electricity
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Static Electricity

Electric field

Defination

A region in which charged particles experiences an electric force

Determine direction of field

Positive test charge used

Draw field lines represent elec. field

Arrow, Direction movement positive test charge

Strength

Nearer, stronger

Further, Weaker

Electric Charges

Atom

Electrically Neutral

contains, Neutron, Proton (+), Electron (-), Gain, Negative ion, Lose, Positive ion

Charges

Unlike, Attracts, Example, Positive-Negative

Like, Repels, Example, Positive-Positive, Negative-negative

Measured in, Coulombs, Positive charge, 1.602 x 10^-19, Negative charge, -1.602 x 10^-19

Charging an insulator by friction

Friction

Rubbing

insulator

Electron are not able to flow within it

how does it work

two objects rub together, electron weaker bond from one material transfer to another

Discharging charged insulator

Heating

Humid conditions

Charging conductor by Induction

Charging without coming into direct contact

Conductor

Electron free to move about within it

Metals

Connected to ground wire, allow electron to move up down from the conductor

Applications

Photocopier

Laser printer

Potential hazards

Lightning

Fires and Explosions, Pumping of oil into aircraft, Truck carrying flammable substance