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A long silver rod of radius 5 cm has a charge of -6 μC/cm on its surface.
(a) Find the electric field (in N/C in the
N/C +
direction) at a point 8 cm from the center of the rod (an outside point).
(b) Find the electric field (in N/C in the direction) at a point 2 cm from the center of the rod (an inside point).
N/C F

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