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Is a current carrying wire affected by the magnetic field that it produces? In other words, will a current carrying wire be acted on by a magnetic force produces by its own magnetic fields?

Is a mass affected by its own gravitational field?

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  • $\begingroup$ The answer to all three questions is yes. In the case of the electric wire, the force should (I think?) cancel out to zero, and it also gives rise to a weak phenomenon called the self-Hall effect. In the case of gravity, a mass is held together to some extent by the force of its own gravity. $\endgroup$ Commented May 15, 2014 at 23:55
  • $\begingroup$ How come the forces cancel out to zero for the current carrying wire? Do you use F=ILB? $\endgroup$
    – Loc Tran
    Commented May 16, 2014 at 0:09

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