JEE Main & Advanced
JEE Main Paper (Held On 9 April 2017)
question_answer
A uniform magnetic field B of 0.3 T is along the positive Z-direction. A rectangular loop \[(abcd)\] of sides \[10\,cm\,\times 5\,cm\] carries a current \[I\] of 12 A. Out of the following different orientations which one corresponds to stable equilibrium? [JEE Online 09-04-2017]
A)
B)
C)
D)
Correct Answer:
C
Solution :
\[M=NIA\] \[\vec{M}\] and \[\vec{B}\]are on same direction