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The potential at a point in an electric ...

The potential at a point in an electric field is give by `V=Rr` volt where r is distance of the point from the origin of the co-ordinate system. Find the electric field at a point `r=(hati+2hatj+2sqrt(5)hatk)m`

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The correct Answer is:
`vecE=(hati+2hatj+2sqrt(5)hatk)V//m`
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