A point Q lies on the perpendicular bisector of an electric dipole of dipole moment P. If the distance of Q from the dipole is r, then the electric field at Q is proportional to-
A. p-1 and r-2
B. p and r-2
C. p and r-3
D. p2 and r-3
Answer:C
A point Q lies on the perpendicular bisector of an electric dipole of dipole moment P. If the distance of Q from the dipole is r, then the electric field at Q is proportional to-
A. p-1 and r-2 B. p and r-2 C. p and r-3 D. p2 and r-3