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2. A cylinder of radius R and length L has surface current flowing in the direction shown. Let K be the
current per unit width, and let P be a point along the cylinder's axis at a distance x, from the
cylinder's center, C. . Find the magnetic field at point P.
K (uniform)
-
P
·a
}}} H
1
-= Xo
-
구
x=-2/2
x=4/2
x=0
L - Y

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