Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
haganmc
Group Title
A point charge Q_1 is distance r from the center of a dipole consisting of charges (+) q_2 separated by distance s. The charge is located in the plane that bisects the dipole. At this instant, assuming r >>s, what is the magnitude of the torque on the dipole? Express this factor in terms of q_2, Q_1, s, pi, and r.
torque= l*F
 2 years ago
 2 years ago
haganmc Group Title
A point charge Q_1 is distance r from the center of a dipole consisting of charges (+) q_2 separated by distance s. The charge is located in the plane that bisects the dipole. At this instant, assuming r >>s, what is the magnitude of the torque on the dipole? Express this factor in terms of q_2, Q_1, s, pi, and r. torque= l*F
 2 years ago
 2 years ago

This Question is Closed

haganmc Group TitleBest ResponseYou've already chosen the best response.0
F = \[F= \frac{ Q_1*q_2*s }{ 4*\pi*r^3}\] l = sSin (theta)
 2 years ago

akitav Group TitleBest ResponseYou've already chosen the best response.0
Torque on a dipole of moment p in an electric field E is given by their cross product\[\tau =p\times E= pE sin\theta\]Here in the case it is given that\[\theta =90^o\]So \[Sin\theta =1\]\[\tau =p.E\]and the dipole moment p is defined as \[p= s.q\]The electric field in question is of the charge Q at point 'r' away. Plug the expressions of this E and p (from above) into the formula for torque. It'll give the answer.
 one year ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.