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A neutral solid metal sphere of radius 0.1 m is at the origin, polarized by a...

A neutral solid metal sphere of radius 0.1 m is at the origin, polarized by a point charge of 4 × 10−8 C at location<-.8,0,0> m. At location<0,.06,0> m, (A) what is the electric field contributed by the polarization charges on the surface of the metal sphere? E= 393.75 N/C (B)Next, a short, straight, thin copper wire 7 mm long is placed along the x axis with its center at location<.2,0,0> m. What is the approximate change in the magnitude of the electric field at location <.4,0,0> m? (Approximate the polarized charges on the short copper wire as a dipole, and when calculating your answer, take the center of the wire as the point at which the net electric field is zero.) I just need help with part B.

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Hi,

I friend i am not sure about 2nd part of the question that's why not posted. Sorry rand apologize for not posting. Please rate my first part.

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