Values appropriate for the earth''s magnetic field

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Assume the magnitude of the magnetic field outside a sphere of radius R is B = B0(R/r)^2, where B0 is a constant. (a) Determine the total energy stored in the magnetic field outside the sphere. (b) Evaluate your result from part (a) for B0 = 5e-5 T and R = 6e6 m, values appropriate for the Earth's magnetic field.

Reference no: EM13544621

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