Stationary on inclined plane, Physics

A metal rod of mass 10 g and length 10 cm is placed on a smooth 60 degree incline. A uniform magnetic field B is applied in the region vertically downwards . If a current of 3 A is passed by the rod then the value of B for which the rod remains stationary on inclined plane is Options 1 3T 2 1/3T 3 root 3 T 4 1/root3 T 

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