# Joint Entrance Examination/2000 Screening/Q021 Ionized gas subjected to electric and magnetic fields

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# Original Question by Dharav talk

Here's the question...
 An ionized gas contains both positive and negative ions. If it is subjected simultaneously to an electric field along the +x direction and a magnetic field along the +z direction then (A) positive ions deflect towards +y direction and negative ions towards -ydirection (B) all ions deflect towards +y direction (C) all ions deflect towards -y direction (D) positive ions deflect towards -y direction and negative ions towards +ydirection Posted by Dharav talk 13:58, 17 August 2009 (UTC)

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