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Questions  

A charged particle (charge q, mass m) has velocity v0, at origin in +x direction. In space there is a uniform magnetic field B in -z direction. Find the y coordinate of particle when it crosses y axis.

a
mv0qB
b
2mv0qB
c
mv02qB
d
None of these

detailed solution

Correct option is B

y coordinate =2R=2mv0qB

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