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The combination of two circular, coaxial coils of radius a separated by a distance also equal to a, with equal currents I in each coil circulating in the same direction, is known as a pair of "Helmholtz Coils." Assuming the coils are parallel to the x-y plane at z=+a/2 and -a/2:

a) Determine the magnetic field on the z axis.
b) What is the value of the magnetic field at the origin?
c) What is the leading non-constant behavior of the magnetic field for small z?

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  • Category:- Physics
  • Reference No.:- M91085339

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