A charged particle moves with its velocity perpendicular to magnetic field. The

Question

A charged particle moves with its velocity perpendicular to magnetic field. The field acts to change the particle's A) charge B) mass C) velocity D) energy E) magnitude of momentum
PLEASE TELL WHY IS THAT THE CORRECT CHOICE. A charged particle moves with its velocity perpendicular to magnetic field. The field acts to change the particle's A) charge B) mass C) velocity D) energy E) magnitude of momentum
PLEASE TELL WHY IS THAT THE CORRECT CHOICE. A) charge B) mass C) velocity D) energy E) magnitude of momentum
PLEASE TELL WHY IS THAT THE CORRECT CHOICE.

Explanation / Answer

When a charged particle entered perpendicularly into a uniform magnetic field, then the magnetic field provides force to move the charge in a circular path without increasing magnitude of its initial velocity. But, the direction of velocity changes continuously with time. Thus, the velocity vector of the charge will be change. In this case, the charge, and mass are remains constant. As the magnitude of velocity is constant, the value of kinetic energy and magnitude of linear momentum will be remains same.

Thus, the option (C) is correct answer.

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