A long, straight wire carrying a current of 4.25 A is placed along the axis of...
A long, straight wire carrying a current of 4.25 A is placed along the axis of a cylinder of radius 0.500 m and a length of 2.25 m. Determine the total magnetic flux through the cylinder. T · m2
Homework Answers
Notice here is asking you to find the total flux through the
cylinder. However, the magnetic field lines are always
perpendicular to the surface of the cylinder. So even if your
calculations are right, it is not acting on the right direction.
The final answer is zero.
the magnetic field around a wire is cylilndrically symmetric around
the wire; therefore, there is no component of the mag field that is
perpendicular to the walls of the cylinder, and therefore there is
no flux.
i.e net flux = 0 T.m^2
Hope this helps you.
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