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agnetic effect of current and magnetic f...

agnetic effect of current and magnetic force on charge or current *. A particle of mass M and positive charge Q, moving with a constant velocity ūn = 4i ms-, enters a region of uniform static magnetic field normal to the x-y plane. The region of the magnetic field extends from x = 0 to x = L for all values of y. After passing through this region, the particle emerges on the other side after 10 milliseconds with a velocity üz = 2(13i+j) ms-1. The correct statement(s) is (are): [JEE-(Advanced) 2013;4/160] (A) The direction of the magnetic field is -z direction. (B) The direction of the magnetic field is +z direction (C) The magnitude of the magnetic field UTV units. 100M (D) The magnitude of the magnetic field is 3Q a units. 3Q Units. no hi andindonin

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