Flag Electrostatics> A dipole of dipole moment p is kept at th...
question mark

A dipole of dipole moment p is kept at the centre of a ring (in yz plane) of radius R and charge Q The dipole moment has direction along the axis of the ring. The resultant force on the dipole due to the ring is:

Apurv Sirohi , 9 Years ago
Grade 12
anser 1 Answers
Forum 1
Solution:
Electric field due to ring at point P on its axis at a distance x from centre 0 of ring is (as shown in figure below)
E=k. [Qx/(x^2+R^2)^3/2]​
dx/dE​ ​atx=0​=kQ/R^3
∴Force on dipole=dx/dE​=kQp/R^3​


785-1370_Screenshot (12).png
Last Activity: 2 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments