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Magnetism

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26 Feb 2010 05:07:40 IST

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सुपर मान

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2 Mar 2010 11:38:24 IST

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both q1 and q2 are positive u can verify it by the genral rule of cross product(q v X b).for finding the ratio use r= mv/qB..................where for q1 r=2 , m=m , v=2v , B=B and for q2 r=1 , m=m , v=v , B=B

Rajdeep chakraborty

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24 Mar 2010 18:50:15 IST

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since r = mv/qB ,

q = mv/rB

Now from figure , r and B are same while m is given to be same for both the particles.

Therefore q α v

hence q1/q2 = v1/v2 = v/2v = 1/2 .

Also from the rule of cross product , F = q(vxB) . Obviously q1 , q2 are positive.

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