chapter19-web - Chapter 19 Magnetism 1 Magnets 2 Earths...

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1 Chapter 19 Magnetism 1. Magnets 2. Earth’s Magnetic Field 3. Magnetic Force 4. Magnetic Torque 5. Motion of Charged Particles 6. Amperes Law 7. Parallel Conductors 8. Loops and Solenoids 9. Magnetic Domains
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2 Magnets s What is magnetism? s What is a magnet? s What is a magnetic pole? s How many types of pole there are? s Can single poles exist by themselves? s How do you make a magnet? s What is a induced magnet? s Are all materials magnetic? s What are hard and soft magnets?
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3 Magnetic Fields s What is a magnetic field? s What symbol should I use for it? s How is magnetic field produced by electric charges? s Is magnetic field a vector? If yes how do I find the direction?
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4 Magnetic Field Lines, sketch s A compass can be used to show the direction of the magnetic field lines (a) s A sketch of the magnetic field lines (b)
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5 Magnetic Field Lines, Examples Bar Unlike poles Like poles
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6 Earth’s Magnetic Field s What is the source? s What is a dip angle? s Dip angles for equator and poles s True North and South s Magnetic Reversal
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Magnetic Force s Where does it come from? s How do I calculate it? s
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chapter19-web - Chapter 19 Magnetism 1 Magnets 2 Earths...

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