MCQ
A square current loop is suspended in a uniform magnetic field which is located at its base. If force on one arm of the loop is $\vec{F}$. Then the resultant force on rest three arms is :
- A$3 \vec{F}$
- ✓$-\vec{F}$
- C$-3 \vec{F}$
- D$\overrightarrow{ F }$

