Question

A current carrying closed loop in the form of an equilatral triangle $PQR$ is placed in a uniform magnetic field acting along $PQ$ . If the magnetic force on the arm QR is $\overrightarrow{F}$ , then force on am PR will be

• A. $-\frac{\overrightarrow{F}}{2}$
• B. $-\overrightarrow{F}$
• C. $-\frac{\sqrt{3}}{2}\overrightarrow{F}$
• D. 0

Answer 1

The correct option is B $-\overrightarrow{F}$

Force on $PR$ will also be same but in opposite direction.

hence,

option $B$ is correct answer.