$A$ 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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