Please answer the following questions and explain how you got the answer. Thanks

Question

Please answer the following questions and explain how you got the answer. Thanks!

Answer each of the following questions and explain. (a) Is it possible for a charged particle to move through a magnetic field without experiencing a force? (b) Is it possible for a charged particle to be at rest in the simultaneous presence of a magnetic and an electric field? (c) Is it possible for a particl to) Is it possible for a particle in motion to move through the electric and magnetic fields without experiencing a force? (d) What is the net force on a magnetic dipole in a uniform magnetic field

Explanation / Answer

A) yes it is possible. F =qv x B. If velocity is in direction of magnetic field, Force will be zero

B)no, not possible, electric field will exert a force which can not be cancelled by force exerted by magnetic field as magnetic force is in perpendicular direction, not parallel

C)no, not possible, reason same as in b

D)Net force will be zero as the two poles will experience force in opposite direction.

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