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V=x^(2)+y. Find vec(E)....

`V=x^(2)+y`. Find `vec(E)`.

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`(del V)/(del x) c=2x, (del V)/(del y)=1` and `(del V)/(del z)=0`
`vec(E)=-(hat(i) (del V)/(del x)+hat(j) (del V)/(del y)+hat(k) (del V)/(del z))=-(2x hat(i)+hat(j))`
`:.` Electric field is non-uniform.
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