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A charged particle can be acceerated by a magnetic field..?

A charged particle can be acceerated by a magnetic field..?


1 Answers

Rinkoo Gupta
askIITians Faculty 80 Points
7 years ago
If v is the velocity of the particle and B is the magnetic field and q is the charge of the particle and ? is the angle between the direction of velocity and the magnetic field, then a force is exerted on the particle whose magnitude is given by q v B sin ? and its direction is ALWAYS PERPENDICULAR to the direction of the magnetic field and to the direction of the component of the velocity that is perpendicular to the field.

A perpendicular force cannot change the magnitude of the velocity and can only change the direction of velocity.
Hence Remember that the magnetic field which cannot affect its speed cannot do work on the particles.
Thanks & Regards
Rinkoo Gupta
AskIITians Faculty

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