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5. The magnetic field is found to be B = (3(m f)f-m) for almost all space where m is an
4π 13
orienting, generating,
a.
b.
C.
time-and-space-independent vector.
What are the units of m and what is it?
What current distribution might generate B and prove it?
What vector potential, A(7), might also generate B and prove it?

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