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  • A Particle moves in a region having a uniform magnetic field and a Parallel, uniform Electric field. at some instant, the velocity of the Particle is perpendicular to the field direction. The path

A Particle moves in a region having a uniform magnetic field and a Parallel, uniform Electric field. at some instant, the velocity of the Particle is perpendicular to the field direction. The path of the particle is

 

Option: 1

a straight line
 


Option: 2

 a circle


Option: 3

 a helix with uniform Pitch


Option: 4

a helix with nonuniform pitch


Answers (1)

best_answer

As initial velocity is \perp^\gamma to the magnetic field
So due to \vec{E} particle is acceleration in the direction of B.
And so The Path of the Particle will be helix of non-uniform pitch.

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