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Physics
Electrostatic Potential and Capacitance
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$\text{Electric Field Intensity is conservative field so work is independent of path}$
$\Delta r = 3\hat{i} $
$ \vec{F} = q\vec{E} = 10\hat{i}$
$\text{Work Done } W = \vec{F}. \Delta \vec r = 30J$
