Question

Two point charges +q and -q are held fixed at (-d,0) and (d,0) respectively on an xy coordinate system. then -
a) electric field E at all points on the X axis has the same direction.
b)electric field at all points on Y axis is along x axis
c) the dipole moment is 2qd along +ve x axis.
d) None of these

Answer 1

a) true

Answer 2

no only B) is true

Answer 3

b is also true