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physics ch 32

Vocabulary 32

electrostatics the study of electric charges at rest.
electrical forces a force that one charge exerts on an other when the charges are the same sign, they repel; when opposite they atttract
charge the fundemental electrical preoperty to which the mutual attractions or repulzions between electrons and protons are attributed.
conservation of charge hte principle that net electric charge is neither created nor destroyed byt can be transferred
coulombs law the relationship with electrical force, charge, distance: the force between two charges varies as the product of the charges and inversly as the squareof the distance between them
coulombs si unit of charge
conductor materical through which heat can be transferred.
insulator a material that is a poor conductor of heat
semiconductor materical that behaves like a conductor and insulator.
induced term applied to electric charge that has been redistributed on an object because the charge nearby.
induction the charge of an object without direct contact
grounding allows charges to move freely between a conductor and the ground
electrically polarized an atom or molecule in which the charges are alligned so that one side is slightly more positive or negative.
Created by: Wardlaw