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12 Cards in this Set
- Front
- Back
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Magnet
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any material that attracts iron
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Magnetic poles
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The part where the magnet effects are the strongest
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Magnetic force
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the repulsion or attraction between the poles of a magnet
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Magnetic Field
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a region around a magnet in which magnetic forces act
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Electromagnetism
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interaction between electricity and magnetism
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Solenoid
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coil of wire that produces a magnetic field when carrying an electric current
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How do you increase the magnetic field around a solenoid?
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More loops
increased current (stronger battery) |
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Electromagnet
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A solenoid wrapped around an iorn core.
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How do you increase the magnetic field around a electromagnet?
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more loops
increased current larger iorn core |
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Electromagnetic Induction
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the production of an electric curretn by changing a magnetic field
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Generator
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uses elecytromagnetic induction to convert kinetic energy inot electrical energy
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Transformer
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increases or decreases the voltage of an alternating current
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