BdPhO Regional (Dhaka-South) Secondary 2019/8
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Consider a point $P$ on the line connecting the centers of the two spheres. $P$ is at a distance $x$ from the center of the positively charged sphere (Here $x>R$).
Determine the electric field (magnitude and direction) at $P$.
$The$ $only$ $way$ $to$ $learn$ $mathematics$ $is$ $to$ $do$ $mathematics$. $-$ $PAUL$ $HALMOS$