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a current-carrying coil of wire with many loops |
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a material through which an electric current can more freely |
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the amount of charge that passes through a material in a given amount of time |
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a device that interferes with the flow of an electric charge |
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a material that has no electrical resistance |
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a material through which charges cannot flow |
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a complete path through which electric charges can flow |
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the opposition to the movement of charges flowing through a material |
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a device that has a magnetized needle that can spin freely |
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the angle between geographic north pole and the magnetic north pole |
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a glowing region caused by charged particles from the sun |
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How can you increase the strength of an electromagnet? |
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Add more loops; wind the loops closer together; use a stronger ferromagnetic core |
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magnetic fields that are all lined up in the same way |
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the region of Earth's magnetic field confined by the solar wind |
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a stream of electrically charged particles flowing at high speeds from the sun |
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a solenoid with a ferromagnetic core |
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