A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field.

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asked Jun 26, 2017 in Physics by Kundan kumar (49,132 points) 34 381 1016
A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field. The direction of magnetic field is

 (a) towards south (b) towards east (c) downward (d) upward

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answered Jun 26, 2017 by Vikash Kumar (144,729 points) 8 11 21
selected Jun 26, 2017 by Kundan kumar
 
Best answer
(d) upward
In accordance with Fleming's left-hand rule, the direction of magnetic field is vertically upward.

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