Current - The rate of charge flow, 1 Ampere - 1 Coulomb / sec, Voltage difference ("drop") - The difference in potential that a charge has before and after entering a circuit element , Ohm's Law - The voltage drop across an element is equal to the current that flows through it times the resistance of the element, 1 Ohm - The resistance that occurs if 1 Amp. of current flows through a voltage drop of 1 V, Parallel Ciruit, Series Circuit, R equivalent of resistors in series - R eq = R 1 + R 2 + R 3 + ...., R equivalent of resistors in parallel - 1/R eq = 1/R 1 + 1/R 2 + 1/R 3 + ...., Ohmic - Having a constant resistance, Non-ohmic - Having a non-constant resistance, Resistance - The measurement of an object's (element's) opposition to the flow of current, Resistivity - The measurement of a particular material's opposition to the flow of charge, Ohmmeter - A device that measures resistance, Voltmeter - A device that measures voltage, Ammeter - A device that measures current, Capacitor - A device that can store charge, Terminal Voltage - The voltage that exists between the two terminals of a battery, 1 Watt - 1 Joule / sec, emf - The electromotive force - the "ideal" voltage of a battery,

Circuits Vocab

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