Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Electromagnetic induction

  1. Aug 15, 2010 #1
    1. The problem statement, all variables and given/known data
    http://img269.imageshack.us/img269/8792/screenshot20100816at003.png [Broken]

    Uploaded with ImageShack.us

    2. Relevant equations

    3. The attempt at a solution
    The answer says that the loop will reduce in area to minimize the flux linkage, but why? using Fleming's left hand rule the magnetic force should direct radially away from the centre so why should there be any contraction in area?
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Aug 16, 2010 #2
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook