1.

Three point charges +q, -2q and +q are placed at points (x = 0,y = a,z = 0), (x = 0,y = 0,z = 0)and.(x=a,y =0, z = 0) dipole moment vector of this charge assembly are :

Answer»

`SQRT(2q)`a along the LINE joining points .(x = 0,y = 0,Z = 0)and(x = a,y = a,z = 0)
Q a along the line joining points
`sqrt2q` a along + x direction
`sqrt2q` a along y direction

Answer :A


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