A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field , such that is perpendicular to the plane of the loop. The magnetic force acting on the loop is?
[BIT 1992; MP PET 1994; IIT 1983;MP PMT 1999; AMU (Engg.) 2000]
Zero
Net force on a current carrying closed loop is always zero, if it is placed in a uniform magnetic field.