Chapter_27

# Chapter_27 - Chapter 27 Magnetic field and magnetic force Responsible for sections 1-4 6,7 Overview of course An electric charge in an electric

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Chapter 27 Magnetic field and magnetic force Responsible for sections 1-4, 6,7

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Overview of course • An electric charge in an electric field experiences a force (Chpt. 21) F E = q E • where vectors are bold • A moving charge in a magnetic field experiences a force (Chpt. 27) F B = q v × B
Sources of electric and magnetic fields Maxwell’s equations • Electric charge creates conservative electric field E (Chpts. 21 and 22) • Magnetic monopoles do not exist (Chpt. 27 and 29) • Changing magnetic flux creates non-conservative E field (Chpt. 29) • Moving charge and changing electric flux create magnetic field B (Chpts. 27, 28, and 29)

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Moving charges create magnetic fields (as well as electric fields) v B q e v v B bar magnet
Force on a charge q moving at a velocity v in a magnetic field B created by other moving charges F on q = q v × B Memorize F on q = qvBcos(angle between v and B ) F = q ij k v x v y v z B x B y B z

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Example: using the right- hand rule to determine the direction of the magnetic force q x y z
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## This note was uploaded on 04/06/2008 for the course PHYS 2306 taught by Professor Ykim during the Spring '06 term at Virginia Tech.

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Chapter_27 - Chapter 27 Magnetic field and magnetic force Responsible for sections 1-4 6,7 Overview of course An electric charge in an electric

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