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Unformatted text preview: vector field that is directed along the xaxis, its curl can have nonzero components along y or z directions. Example: This vector field has a curl along the negativez axis. In other words, the zcomponent of the curl for this vector field measures how the above vector field changes in the ydirection. As an another example, consider the velocity field in a river, that would something like the following: This vector field will have an upward curl near the upper bank ( U ) of the river and a downward curl near the bottom bank ( B ). Imagine the shape of the vector field which is curl of the above field. y x B U...
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 Spring '09
 Gangopashyaya
 Magnetism

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