Magnetic Force of a current carrying wire loop on a magnetic objectlet's say we have a current carrying wire loop WITHOUT AN EXTERNAL MAGNETIC FIELD. It produces a magnetic field on its own. what would the magnetic field and force of this loop on a charge or a magnetic object(or whatever) outside the loop?I always find the equation of F = IBL which is the force on the on loop from an external magnetic field but i can never find the force that the loop itself produces.Like i am trying to calculate the force from the loop on an iron ball or find the magnetic field produced by just the loop but outside the loop. If i can get the magnetic field outside the loop then i can derive the force that i need using F = Del(m X B).

Question

Magnetic Force of a current carrying wire loop on a magnetic objectlet&#039;s say we have a current carrying wire loop WITHOUT AN EXTERNAL MAGNETIC FIELD. It produces a magnetic field on its own. what would the magnetic field and force of this loop on a charge or a magnetic object(or whatever) outside the loop?I always find the equation of F = IBL which is the force on the on loop from an external magnetic field but i can never find the force that the loop itself produces.Like i am trying to calculate the force from the loop on an iron ball or find the magnetic field produced by just the loop but outside the loop. If i can get the magnetic field outside the loop then i can derive the force that i need using F = Del(m X B).

Zara Pratt · Accepted Answer

Magnetic force is experienced by moving electric charges. You need find out the magnetic field produced by that ring or that current carrying object at a point in space and then use the formula             F      →        =  q            v      →        ×            B      →

omvamen71 · Accepted Answer

well its the same case as in electrostatics. a point charge kept isolated can never feel the force due to its own electric field. like same way ANY source of a field can never be influenced by its own field. also recall that a value of magnetostat ic field diverges at its own location.(appears singularity)

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