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Q3. The vector potential of a single magnetic dipole ñ is given by:
Ho m x f"
Ā(r) =
47 p12
[Here, " = i – "|
Show that, for a distribution of magnetic dipoles, the total magnetic vector potential can be written in the following
form:
dv' + d Ko(r*)
„SP-
Ho
J.(r")
Ã(r) =
47
What does J, and Ki, represent?

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