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
    $\overrightarrow{ F }$

Answer

Correct option: B.
$-\vec{F}$
(b) $-\vec{F}$

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