Re: [Phys-l] Figuring Physics in the March TPT The Physics Teacher

["Jeffrey Schnick" <JSchnick@Anselm.Edu>]

Flux is max when magnet is bisected by the loop.

> -----Original Message-----
> From: phys-l-bounces@carnot.physics.buffalo.edu [mailto:phys-l-
> bounces@carnot.physics.buffalo.edu] On Behalf Of Paul Lulai
> Sent: Wednesday, February 18, 2009 10:27 PM
> To: Forum for Physics Educators
> Subject: Re: [Phys-l] Figuring Physics in the March TPT The Physics
> Teacher
>
> Hi.
>
> So I have a loop of wire parallel to Earth.  I drop a magnet through
> the loop.  The magnet is lined up with N on top and S on bottom (so S
> goes through the loop first).
> If I were to qualitatively graph the flux vs time, and current vs time
> I'd get (would I get?):
>
> Part 1: S is far away to S / N magnet bisect the loop.
> Flux goes from zero (or really really small) to a maximum (when S pole
> is in center of loop) and then back to zero when the magnet is
bisected
> by loop (weakest part of magnetic field).