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15 Cards in this Set
- Front
- Back
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Closed circuit
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A complete path for current to flow. |
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Electrical conductor
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Material that conducts current.
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Electrical insulator
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It has very few free electrons.
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Ammeter
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A device for measuring the size of a current. |
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Milliampere
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Unit in measuring current.
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Current
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The net flow of free electrons.
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Switch |
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Voltage
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A measure of how much energy is supplied by the cell to the free electrons in a circuit. |
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Volt
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Unit in measuring voltage.
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Voltmeter
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A device for measuring the size of voltage.
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Resistance
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A measure of the opposition of a material to the flow of current.
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Ohm
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Unit of resistance. |
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Resistor |
A circuit component with a certain value of resistance.
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Rheostat |
A resistor that has an adjustable resistance.
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Battery
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A single cells or several cells connected together.
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