2 Answers

Jaro Dunajsky · Answer 1 · 2020-01-15T04:09:01+0000

A charge is moving downwards so let say this downwards direction is along -z direction

Also here magnetic field is given towards left so let say left direction is towards -x direction

now we have to find force direction so as we know that force on a moving charge is given by

$F = q(\vec v * \vec B)$

so here we have

$F = q(v(-\hat k) * B(-\hat i))$

$F = qvB(\hat j)$

so force is along +Y direction

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