1.

Electrostatic potential at one point is V. Then electric field along X-axis can be written as vecE_(x) =...........

Answer»

`int_(0)^(oo)V dxhati`
`(dV)/(dx) HATI`
`-(dV)/(dx) hati`
`-int_(0)^(oo) V dx hati`

Solution :We have `E =- (dV)/(dr )`
`:. vecE_(X)=-(dV)/(dx) hati`


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