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Illustration Magnetic Field Inside and Outside a Cylinder (Graph)

Magnetic Field Inside and Outside a Cylinder (Graph)
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Plot of the magnetic field \(B\) inside and outside a current-carrying cylindrical conductor with radius \(R\). Inside the current-carrying cylinder, the magnetic flux density \(B\) increases linearly with the distance \(r\) from the cylinder axis. Outside the cylinder, however, \(B\) decreases with \(1/r\).