A rectangular loop carries current I. Only one vertical side of length L lies inside a uniform magnetic field B perpendicular to the plane of the loop; all other sides are outside the field. What is the net magnetic-force magnitude on the loop?

Physics · Magnetic effect of current · Magnetic Force on Current carrying conductor

JEE MainsNEET

A rectangular loop carries current I. Only one vertical side of length L lies inside a uniform magnetic field B perpendicular to the plane of the loop; all other sides are outside the field. What is the net magnetic-force magnitude on the loop?

Options