" Two point charges "+2q" and "-q" are placed on "x" -axis at "(0,0,0)" and "(3,0,0)" respectively,How many points of zero electric potential are there in the plane "X=5?

Two point charges q and -2q are kept on x-axis at ( -a,0,0) and ( 2a,0,0) . Find the locus of all points wher electric potential is zero. Assume that electric potential at infinite distance from a point charge is zero.

Two point charges of magnitude +q and -q are placed at (-d//2,0,0) and (d//2,0,0) are respectively. Find the equation of the euipotential surface where the potential is zero.

Two point charges of magnitude +q and -q are placed at (-d//2,0,0) and (d//2,0,0) are respectively. Find the equation of the euipotential surface where the potential is zero.

Two point charges of magnitude +q and -q are placed at (-d/2, 0, 0) and (d/2, 0,0) respectively. Find the equation of the equipotential surface where the potential is zero.

Two point charges of magnitude +q and -q are placed at (-d/2, 0, 0) and (d/2, 0, 0) respectively. Find the equation of the equipotential surface where the potential is zero.

Two point charges of magnitude +q and -q are placed at (-d/2, 0, 0) and (d/2, 0, 0) respectively. Find the equation of the equipotential surface where the potential is zero.

Two point charges-q and +q are located at points (0, 0,-a) and (0, 0, a) respectively. The electric potential at a point (0, 0, z), where z> a is

Point charges +4q, -q are kept on the x -axis at points x=0,x=a and X=2a respectively, then