Match the Column-I with Column-II
Column-I | Column-II | ||
(A) | A charge particle is moving in uniform electric and magnetic field in gravity free space. | (I) | Velocity of the particle may be constant. |
(B) | A charge particle is moving in uniform electric, magnetic and gravitational fields. | (II) | Path of the particle may be straight line. |
(C) | A charge particle is moving in uniform magnetic and gravitational fields (where electric field is zero) | (III) | path of the particle may be circular. |
(D) | A charge particle is moving in only uniform electric field | (IV) | Path of the particle may be helical. |
Text Solution
Verified by ExpertsA
Velocity of the particle may be constant, if forces of electric and magnetic fields balance each other. Then, path of particle will be straight line. Also, path of particle may be helical if magnetic and electric fields are in same direction. But path of particle cannot be circular. Path can be circular if only magnetic field is present, or if some other force is present which can cancel the effect of electric field.
Here, all the possibilities are possible depending upon the combinations of the three fields.
This situation is similar to part .
In a uniform electric field, path can be only straight line or parabolic.
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