Register to reply

Charge distribution question.

by That Neuron
Tags: charge, distribution
Share this thread:
That Neuron
#1
Jan21-14, 12:50 AM
P: 76
http://books.google.com.au/books?id=...page&q&f=false

This post is referring to page 35-36.

I just find it odd that this book doesn't change it's mathematical description to align with the fact that a ring produces a component force up smaller than the force that it would produce if it weren't pointing straight up.

In other words, taking an infitesmal ring of small dipoles that interact with a single dipole of the same type above it by a force proportional to 1/(r^6) (dipole-dipole interaction), wouldn't the force be something involving the unit vectors of the vectors connecting the dipole being studied and the ring of dipoles?

More to the point, wouldn't it be the integral per portion of dipoles in the ring dq with some function based off of the distance from the dipoles(charge analogy), so the integral of (kdq/(x^2 + y^2)^(6/2)) cosθ = integral of (kxdq/(x^2 + y^2)^5/2)?

This might help illustrate what I'm talking about: http://www.physics.udel.edu/~watson/...n/efield1.html
Phys.Org News Partner Physics news on Phys.org
Vibrational motion of a single molecule measured in real time
Researchers demonstrate ultra low-field nuclear magnetic resonance using Earth's magnetic field
Bubbling down: Discovery suggests surprising uses for common bubbles

Register to reply

Related Discussions
Charge distribution of nuclei affect the electronic charge density? High Energy, Nuclear, Particle Physics 2
Question on a sinodal charge distribution regarding retarded potential. Classical Physics 1
Linear Charge Distribution Question Calculus & Beyond Homework 0
The work required for adding a charge to an infinite charge distribution Advanced Physics Homework 1
Distribution of charge question Introductory Physics Homework 1