Electromagnetism Study Guide – Flashcards
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Magnetic Field
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energy around a wire when an electrical current is in the wire
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Electromagnetic induction
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Producing a current by moving a wire through a magnetic field
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Solenoid
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a current-carrying wire with many coils
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Compact Muon Solenoid
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used to study the particles emitted when atoms collide
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How magnetic field lines near the south pole of a magnet affected when a second south pole is brought near it
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The field lines bend away from the second south pole.
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How magnetic field lines near the south pole of a magnet affected when a North pole is brought near it
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The field lines bend towards the first south pole
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Outer Core
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is liquid and moving.
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Inner Core
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is solid and composed of iron and nickel
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Earth Magnetic Field lines
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Go out of Earth near Antarctica, enter Earth in northern Canada, and are not aligned with the geographic poles.
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Negative Charge
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Gains electrons
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Conduction
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method that can cause a current to start flowing in a conductor that relies only on an electric field
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Induction
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methods that can cause a current to start flowing in a conductor that relies on a changing magnetic field.
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Friction
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a force that opposes the movement of one object against another and energy is produced
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Electric Field
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The area around a charged object where the object can exert a force on other charged object
