Magnetism

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Introduction to magnetism

Ferromagnets and electromagnets

2 Electromagnets

3 Current: the source of all magnetism

4 Section summary

Magnetic fields and magnetic field lines

1 Section summary

2 Conceptual questions

Magnetic field strength: force on a moving charge in a magnetic field

Force on a moving charge in a magnetic field: examples and applications

1 Section summary

2 Conceptual questions

3 Problems & Exercises

The hall effect

Magnetic force on a current-carrying conductor

Torque on a current loop: motors and meters

1 Section summary

2 Conceptual questions

3 Problems & Exercises

Magnetic fields produced by currents: ampere’s law

1 Magnetic field created by a long straight current-carrying wire: right

2 Ampere’s law and others

3 Magnetic field produced by a current-carrying circular loop

4 Magnetic field produced by a current-carrying solenoid

5 Section summary

6 Conceptual questions

Magnetic force between two parallel conductors

More applications of magnetism

Source: OpenStax, College physics. OpenStax CNX. Jul 27, 2015 Download for free at http://legacy.cnx.org/content/col11406/1.9

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