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Introduction to Magnetic Fields

Quote of the Day

Similarities and Differences of B Compared to E

Magnetic Field Lines

DEMONSTRATION: Field Lines of Bar Magnets

Similarities to electric dipoles -- No magnetic monopoles observed!
At this point in the course we have now uncovered the first two of Maxwell's equations.

Magnetic Force on Moving Charge

DEMONSTRATION: Deflection of Electron Beam in CRT with Magnetic Field

[magnetic force]

Discussion of right-hand rule for finding direction of cross product.

Concept Check

Magnetic Force on Infinitesimal Current Segment

[magnetic force]

Minute Paper

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Last updated Oct. 16, 1997.
Copyright George Watson, Univ. of Delaware, 1997.