NEET Physics Magnetic Force on Current MCQ Question
Consider a rectangular loop placed in a uniform magnetic field such that the field is in the plane of the loop. The magnetic field exerts forces F1 and F2 on the arms AB and CD, respectively. What is the effect of these forces on the loop?

The loop experiences a net force causing linear motion.
The loop experiences zero net force and no torque.
The loop experiences a torque causing it to rotate.
The loop experiences a net force perpendicular to the field.
Correct Answer
Detailed Explanation
The forces F1 and F2 are equal in magnitude but opposite in direction, creating a torque that causes the loop to rotate, as shown in the NCERT context.
Found an issue with this question?
Related Questions
More from Magnetic Force on Current
More from
What is used to convert a galvanometer into an ammeter?
What does Ampere's Law state about the relationship between the magnetic field and the total current through a closed loop?
What did the postulation of electric charges in the atom help to explain, as acknowledged by the Nobel Prize awarded in 1902?