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?