Electric field at a place is $\overrightarrow {E\,} = {E_0}\hat i\,V/m$ . A particle of charge $+q_0$ moves from point $A$ to $B$ along a circular path find work done in this motion by electric field
Medium
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$\mathrm{w}=\overrightarrow{\mathrm{F}} \cdot \overrightarrow{\mathrm{d}}$
$=\mathrm{q}_{0} \overrightarrow{\mathrm{E}} \cdot \overrightarrow{\mathrm{d}}$
$=q_{0}\left(\mathrm{E}_{0} \hat{\mathrm{i}}\right)(\mathrm{a} \hat{\mathrm{i}}-\mathrm{a \hat { j }})$
$=\mathrm{q}_{0} \mathrm{E}_{\mathrm{0}} \mathrm{a}$
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