Magnetism

OpenStax

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Introduction to magnetism

Ferromagnets and electromagnets

Magnetic fields and magnetic field lines

1 Section summary

2 Conceptual questions

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

1 Magnetic force on a moving charge

2 Direction of force: right hand rule 1

3 Section summary

4 Conceptual questions

5 Problems & Exercises

Magnetic force on a current-carrying conductor

Motors and meters

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

Induced voltage and magnetic flux

Faraday’s law of induction: lenz’s law

Source: OpenStax, Concepts of physics. OpenStax CNX. Aug 25, 2015 Download for free at https://legacy.cnx.org/content/col11738/1.5

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