Physics - Electrostatics

Tribo-electric charging

A type of contact electrification in which certain materials become electrically charged after they come into contact with different materials and are then separated (such as through rubbing)

Polarisation

The partial or complete polar separation of positive and negative electric charge in a system

Principle of Conservation of Charge

The net charge of an isolated system remains constant during any physical process

Principle of Charge Quantisation

All charges in the universe consist of an integer multiple of the charge on one electron

Coulomb (C)

The SI (International System of Units) unit for electric charge represented by the symbol Q

Neutral Object

An object that has an equal number of electrons and protons resulting in no net charge

Positively Charged Object

An object that is electron deficient

Negatively Charged Object

An object that has an excess of electrons

Like Charges

Objects with the same charge (positive-positive or negative-negative) which repel each other

Opposite Charges

Objects with an opposite charge (positive-negative) which attract each othe