1.

Electric potential V in space as a function of cartesian co-ordinates is given by V=(1)/(x)+(1)/(y) +(1)/(z). Then find electric field intensity at (1, 1, 1)

Answer»

`(HAT(i) + hat(j) + hat(k))`
`hat(i) + hat (J) + hat(K)`
ZERO
`(1)/(SQRT(3))(hat(i)+hat(j)+hat(k))`

Answer :B


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