Physics I Class 23

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Physics IClass 23
The Magnetic Field
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Magnetism in Ancient Times
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Peter Peregrinus
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William Gilbert
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Magnetic Forces Between PolesOpposites Attract
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Why Is A Magnet Attracted toSome Materials
(Refrigerators)?
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What Happens If You Try to Separate North and
South Poles?
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Magnetic Field Lines
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Electromagnetism
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Units of Magnetic Field
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Class 23Take-Away Concepts
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Activity 23Introduction to Magnetic Fields