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Find out equipotential surface where pot...

Find out equipotential surface where potential is zero ?

Text Solution

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`(-2kq)/(sqrt((x+a)^(2)+y^(2)+z^(2)))+(kq)/(sqrt((x+a)^(2)+y^(2)+z^(2)))=0`
`(kq)/(sqrt((x+a)^(2)+y^(2)+z^(2)))+(2kq)/(sqrt((x+a)^(2)+y^(2)+z^(2)))`
squaring both sides
`(1)/(sqrt((x-a)^(2)+y^(2)+z^(2)))=(4)/(sqrt((x+a)^(2)+y^(2)+z^(2)))`
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