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Related Flashcards
Cards In This Set
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Static Electricity
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Electricity generated when more of one type of charge is on an object.
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Law of Conservation of Charge
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States that charge can be transferred from one object to another but cannot be created or destroyed.
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Conductor
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Material, such as copper wire, through which an excess of electrons can move easily.
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Insulator
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Material that doesn't allow electrons to move through them.
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Charging by Contact
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Process of transferring charge between objects by touching or rubbing.
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Charging by Induction
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Process of transfering charge between objects by bringing a charged object near a neutral object.
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Voltage Difference
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Push that causes electrical charges to flow through a conductor; measured in volts, V.
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Circuit
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Closed conducting loop through which an electric current can flow.
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Electric Current
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Flow of electric charge through a wire or any conductor; measured in amperes, A, in a circuit.
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Resistance
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Tendency for a material to oppose electron flow and change electrical energy into thermal energy and light; measured in ohms.
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Ohm's Law
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States that the current in a circuit equals the voltage difference divided by the resistance.
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Series Circuit
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Circuit in which electric current has only one path to follow.
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Parallel Circuit
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Circuit in which electric current has more than one path to follow.
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Electrical Power
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Rate at which electrical energy is converted to another form of energy; expresses in watts, W.
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Kilowatt-Hour
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Unit of electrical energy, which is 1000 W of power used for one hour.
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