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A charge moving with velocity v in X-direction is subjected to a field of magnetic induction in negative X-direction. As a result, the charge will (a)Remain unaffected (bStart moving in a circular path Y-Z plane (c)Retard along X-axis (d)Move along a helical path around X-axis



A charge moving with velocity v in X-direction is subjected to a field of magnetic induction in negative X-direction. As a result, the charge will


(a)Remain unaffected


(bStart moving in a circular path Y-Z plane


(c)Retard along X-axis


(d)Move along a helical path around X-axis


Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
8 years ago

(a)

The force acting on a charged particle in magnetic field is given by

        F = q(v × B) or F = qvB sinq 

        when angle between v and B is 180°,

        F = 0

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