Uniform electric field of magnitude $100$ $V/m$ in space is directed along the line $y = 3 + x$. Find the potential difference between point $A$ $ (3, 1)$ $\&$ $B$ $(1, 3)$.......$V$
Medium
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Potential difference between $A$ and $B$ is
$V_{B A}=-E d x-E d y=-100(1-3)-100(3-1)=200-200=0 V$
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