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Static electricity, by Edwin Wong 4Sc3 by Mind Map: Static electricity, by Edwin Wong
4Sc3
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Static electricity, by Edwin Wong 4Sc3

Charges

Types of charge

Positve

Negative

SI unit

Coulomb (C)

Laws of electrostatics attraction

Like charges repel

Unlike charges attract

Charging

Rubbing

The atom that loses an electron is a postive ion while the atom that gains an electron is a negative ion.

Charging an object through the process of rubbing. When an object is rubbed, electrons from one object will transfer to the other object, charging it.

Induction

The process of producing electric charge on the urface of a conductor under the influence of an electric field.

Earthing process, Uses the earth to make positive or negative objects without the use of another object

Electric field

A region in which an electric charge experiences a force

Electric field lines

Path a positive charge would take if it is free to move

Applications of electrostatics

Hazards

Causes fires due to build up of electrons in an object

Conductive strip at the back of trucks containing flammable items

Photocopier

Electrostatic paint spraying

Electrostatic precipator

New node