Show that a uniform magnetic field B cannot drop abruptly to zero (as is suggested by the
Question:
Show that a uniform magnetic field B cannot drop abruptly to zero (as is suggested by the lack of field lines to the right of point a in Figure) as one moves perpendicular to B, say along the horizontal arrow in the figure. In actual magnets, "fringing" of the magnetic field lines always occurs, which means that B approaches zero in a gradual manner. Modify the field lines in the figure to indicate a more realistic situation.
B N S
Step by Step Answer:
We use Amperes law For the dotted loop shown on the diagram i 0 ...View the full answer
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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