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15 Cards in this Set
- Front
- Back
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a positively or negatively charged atom
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ion
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buildup of electric charge on an object
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static charge
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attractive or repulsive force exerted by all charged objects on each other
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electric force
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field through which electric charges exert a force on each other
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electric field
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material, such as wood or glass, through which electrons cannot easily move
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insulator
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material, such as copper or silver, through which electrons can easily move
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conductor
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rapid movement of excess charge from one place to another
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electric discharge
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flow of charge – either flowing electrons or flowing ions – through a conductor
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electric current
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closed conducting loop through with electric current can flow
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circuit
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a measure of how much electrical energy each electron of a battery has; measured in volts
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voltage
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a measure of how difficult it is for electrons to flow through a material; unit is the ohm
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resistance
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relationship among voltage, current, and resistance in a circuit
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Ohm's law
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circuit that has only one path for electric current to follow
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series circuit
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circuit that has more than one path for electric current to follow
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parallel circuit
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rate at which an electric appliance converts electrical energy into another form of energy; usage is measured by electric meters in kWh
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electric power
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