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Home Q & A Board Science-Related Homework Help Physics
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juliemandell juliemandell
wrote...
11 years ago
Which describes the vector calculation of the magnetic flux through a section of a closed Gaussian surface?

A. It is the dot product of the magnetic field and the section?s area vector.
B. It is the ratio of the magnetic field magnitude to the section?s area.
C. It is the ratio of the section?s area to the magnetic field magnitude.
D. It is the cross product of the magnetic field and the section?s area vector.
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wrote...
#1
11 years ago
It's the dot product. Remember that flux is the amount of something passing through a surface; a cross product would give zero for something traveling straight into the surface, and a ratio would be insensitive to the angle of incidence; both clearly don't give us the appropriate behavior
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