A metallic rod of mass per unit length 0.5 kg m -1 is lying horizontally on a smooth inclined plane which makes an angle of 30° with the horizontal. The rod is not allowed to slide down by flowing a current through it when a magnetic field of induction 0.25 T is acting on it in the vertical direction. The current flowing in the rod to keep it stationary is

1. A. 14.76 A
2. B. 5.98 A
3. C. 7.14 A
4. D. 11.32 A

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