ElectrostaticsHard
Question
The force between two short electric dipoles separated by a distance r is directly proportional to :
Options
A.r2
B.r4
C.r-2
D.r-4
Solution
Force on one dipole due to another
= P
where E is field due to second dipole at first dipole.
E ∝
∴
∴ Force 
= P
E ∝
Create a free account to view solution
View Solution FreeMore Electrostatics Questions
If a dipole of dipole moment is placed a uniformed electric field , then torque actingon it is given by...Two charges are +2μC and -5μC. Find the ratio of mutual forces acting on it :-...The figure shows the electric lines of force emerging from a charged body. If the electric fields at A and B are EA and ...The magnitude of charges of electric dipole is 3.2 × 10-19 and distance between them is 2.4 . If it is placed in a ...In uniform electric field the condition of minimum potential energy for a electric dipole when...