3. Vector Potential for a Wire. Consider a finite segment of straight wire carrying a current I in the positive z-direction. The wire extends from z1 to zą. (a) Find the magnetic vector potential everywhere using Ho A(r) = r-rl de where ris the position of the field point and r' is the po sition of the sourc e point. Z1
3. Vector Potential for a Wire. Consider a finite segment of straight wire carrying a current I in the positive z-direction. The wire extends from z1 to zą. (a) Find the magnetic vector potential everywhere using Ho A(r) = r-rl de where ris the position of the field point and r' is the po sition of the sourc e point. Z1
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Transcribed Image Text:3. Vector Potential for a Wire. Consider a finite segment of straight wire carrying a current / in
the positive z-direction. The wire extends from z, to z2.
(a) Find the magnetic vector potential everywhere using
dl'
A(r) =
47
|r-r|
where r is the position of the field point and r' is the po sition of the source point.
z
Z2
Z1
S
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