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[" 83.A charged particle with charge "q"...

[" 83.A charged particle with charge "q" enters a region of conngy "],[" uniform and mutually orthogonal fields "vec E" and "vec B" with "],[" uniform and mutually orthogonal fields "vec E" and "vec B" with "],[" velocity "vec r" perpendicular to both "vec E" and "vec B" ,and comes of "],[" without any change in magnitude or direction of "vec v." Then "],[[" (a) "vec v=vec B timesvec E/E^(2)," (d) "vec v=vec E timesvec B/E^(2)],[" (c) "vec v=vec B timesvec E/B^(2)," (d) "vec v=vec E timesvec B/E^(2)]],[" (c) "vec v=vec B timesvec E/B^(2)]

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