Two point charge `-q` and `+q//2` are situated at the origin and the point `(a,0,0)` respectively. The point along the `X`-axis where the electic field Vanishes is

Two point charges +8q and -2q are located at x=0 and x=L respectively. The location of a point on the x axis at which the net electric field due to these two point charges is zero is

Two point charges +8q and -2q are located at x=0 and x=L respectively. The location of a point on the x axis at which the net electric field due to these two point charges is zero is

Two point charges +8q and -2q are located at x=0 and x=L respectively. The location of a point on the x axis at which the net electric field due to these two point charges is zero is

Two point charges +8q and -2q are located at x=0 and x=L respectively. The location of a point on the x-axis from +8q at which the net electric field due to these two point charges is zero is

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