JEE Mains 28-July-2022 Shift 1 Solved Paper

As shown in the figure, a metallic rod of linear density 0.45‌kg‌m−1 is lying horizontally on a smooth inclined plane which makes an angle of 45∘ with the horizontal. The minimum current flowing in the rod required to keep it stationary, when 0.15T magnetic field is acting on it in the vertical upward direction, will be :
{. Use .g=10m∕s2}