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Unformatted text preview: not zero (Amperes law-Monday), but it is Gausss law that tells us that the divergence of B is zero, . = B Show the vector identity ) ( = A and hence conclude that B can be written as the curl of a magnetic vector potential . ), ( A B where r A = The physical significance of this magnetic vector potential is not as straightforward to understand as the electric scalar potential, but you will see this again in more advanced E&M courses so it helps to be aware of this concept....
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This note was uploaded on 04/02/2008 for the course PHYSICS 260 taught by Professor Evrard during the Fall '07 term at University of Michigan.
- Fall '07