Question

In the given figure, the loop is fixed but straight wire
can move. The straight wire will

• A. remain stationary
• B. move towards the loop
• C. move away from the loop
• D. rotates about the axis

Answer 1

Answer: (B)

If we consider a small element dL (shown in figure) the
magnetic force on the considered element is towards the
straight wire. Hence, (b) is correct