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05-08-2024
Physics

Answered

A long silver rod of radius 4 cm has a charge of -4μC/cm on its surface.
(a) Find the electric field (in N/C in the r direction) at a point 9 cm from the center of the rod (an outside point).
N/Cr
(b) Find the electric field (in NC in the r direction) at a point 1 cm from the center of the rod (an inside point).
N/Cr

Answer :

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