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12.MA5Elect&Magnets

TermDefinition
electromagnetism interaction of energy and magnetism
charge inbalance of electrons and protons; something is electrically charged if it has a build up of electrons (and is negatively charged)
conduction transfer of electrical charge through direct conduct or touching; between an uncharged and charged object
induction transfer of electrical charge through INDIRECT conduct No touching- rearranging of electrons but no contact; between charged and uncharged objects
friction transfer of electrical charge through rubbing or wiping electrons from one object to another; both uncharged objects
current movement of electrons
alternating current movement of electrons are moving in changing directions; can move long distances
direct current movement of electrons in one direction; short distances- batteries
voltage measurement of stored up electricity; potential strength of electricity available
amperage the measurement of current- how fast the electrical current is moving
ohm SI Unit that measures resistance
resistance something that opposes current or slows it down (anything in the circuit that is using electricity is resistance)
Created by: jparsons