An infinitely long wire lies along the z axis and carries a current of 20 A in
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An infinitely long wire lies along the z axis and carries a current of 20 A in the positive z direction. A second infinitely long wire is parallel to the z axis at x = 10 cm.
(a) Find the current in the second wire if the magnetic field at x = 2 cm is zero.
(b) What is the magnetic field at x = 5 cm?
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a Using the righthand rule to find the direction of the current at x ...View the full answer
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