Homework Answers
a) Direction of magnetic force on +ve charge is direction of v x B. Direction of v x B is given by right hand thumb as we move right hand fingers from direction of v to direction of B.
Hence direction of magnetic force is towards right.
b) Angle between charge's velocity and magnetic force is 90 deg.
c) As magnetic force stays perpendicular to velocity, and remains in the plane of page ( because of magnetic field perpendicular to page or velocity), particle moves in circular path.
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