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August 21, 2014

Homework Help: physics EM

Posted by Spencer on Monday, March 24, 2008 at 2:21pm.

Which of the following choices of path allow you to use Ampère’s law to find B(r).
1. The path must pass through the point r_vec.
2. The path must have enough symmetry so that B(r)x dl is constant along large parts of it.
3. The path must be a circle.
choices are....

a only
a and b
a and c
b and c

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