$A$ square current-carrying loop is suspended in a uniform magnetic field acting in the plane of the loop. If the force on one arm of the loop is $\vec{F}$,what is the net force on the remaining three arms of the loop?

  • A
    $\vec{F}$
  • B
    $3\vec{F}$
  • C
    $-\vec{F}$
  • D
    $-3\vec{F}$

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