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Magnetic field could only affect moving charges?

  1. Dec 17, 2014 #1
    no other thing is under effect of B ? srry .i m not good in eng , hope u seniors can understd my q. thanks lot..
     
  2. jcsd
  3. Dec 17, 2014 #2
    A current carrying wire can experience a force given by Biot-Savart law.
    A current carrying loop under magnetic field can experience torque which comes under magnetic moment.
    $$\tau = M*B$$
    But even then in both cases there is a movement of charge(current).
     
  4. Dec 17, 2014 #3
    Yes.
    Incase youre wondering, what we normally consider a "magnet" is a little complicated
    Normally electrons orbit around the nucleus in random configurations, while a permanent ferromagnet has electrons all orbitting around the same axis.
    Essentially the force we normally experience as magnetism is the interaction between the electrons, that are moving(even though the atoms appear stationary)
     
    Last edited: Dec 17, 2014
  5. Dec 18, 2014 #4
    hmm.. thanks for ur replies... appreciate it much...
     
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