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8 Cards in this Set
- Front
- Back
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transformer
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A device used to increase or decrease the voltage of a power line.
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magnetism
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The property of matter in which there is a force of attraction or repulsion between like or unlike poles.
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voltmeter
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A device used to measure the potential difference of a circuit.
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magnetic field
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The area around a magnet where the magnetic forces act.
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magnetic poles
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The opposite ends of a magnet.
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ammeter
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A device used to measure electric current.
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magnetic domains
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Groups of alligned atoms in a magnet.
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superconductor
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A material that does not have any resistance to the flow of electrons.
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