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An electric field $ \overrightarrow{E} =(25 \hat i +30 \hat j) NC^{-1}$ exists in a region of space. If the potential at the orgin is taken to be zero then the potential at $x=2\;m,y= 2\;m$ is

$\begin{array}{1 1} -130\;J \\ -120\;J \\ -140\;J \\ -110\;J \end{array} $

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Answer :
-110 J
answered Oct 1, 2015 by meena.p

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