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Ch. 32 vocab
ch. 32 vocab hkramer
| Question | Answer |
|---|---|
| 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 |
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hkramer
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