PHYS208 Fundamentals of Physics II

Answer for Ch. 23, 25P

[the answer]

downward

For r>>d, this result reduces to kp/r3, where p = qd, the dipole moment.

Thanks to Kate Manning for inquiring about the far-field limit of the exact formula.


"http://www.physics.udel.edu/~watson/phys208/exercises/answers/23-25P.html"
Last updated March 3, 1998.
Copyright George Watson, Univ. of Delaware, 1997.