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Ch. 32 vocab

ch. 32 vocab hkramer

QuestionAnswer
electrostatics the study of charges at rest , refers to electricity
electrical force a force that one charge exerts on another. when the charges are the same sign they repeland when they are opposite they attract
charge the fundamental electrical property to which mutual attractions or repulsions between electrons or protons is attributed
conservation of charge the principle that net electric charge is neither created nor destroyed but transfered
coulmb's law the realationship among electrical force, charges and distance: the electrical force between two charges varies as the product and inversely as the square distance
coulmb the SI unti of charge . one coulmb is equal to the total charge of 6.24 x 10 ^18 electrons
conductor material ,usually a metal through which electric charge can flow. good conductors of heat are generally good charge conductors
insulator a material that is a poor conductor of electricity
semiconductor meterial that can be made to behave as either a conductor or an isulator
induced a term applied to electric charge that has been redistributed on an object because of the presence of a charged object nearby
induction the charging of an object without direct contact
grounding allowing charges to move freely a lonf a connection between a conductor and the ground
electrically polarized term applied to an atom or molecule in which the charges are aligned so that one side is more positive or negative than one side
Created by: hkramer