Created by Arghya Sen The magnetic force on a charge is . If is parallel (or antiparallel) to , the cross product vanishes, so the particle feels no force and continues moving straight along the field line at constant velocity.
Statement I: A charged particle moving with uniform velocity in a magnetic field may travel along the magnetic field lines without being deflected. Statement II: The magnetic force on a moving charged particle is always perpendicular to both its velocity and the magnetic field . Which of the following is correct?
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← Statement I: If a charged particle is projected into a region where the magnetic field B is perpendicular to its velocity, the net force acting on the particle is independent of its mass. Statement II: The particle performs uniform circular motion, and the net force acting on it is mv²/r. Which of the following is correct?Consider the following two statements about the magnetic (Lorentz) force on a moving charge: Statement I: The magnetic force experienced by a moving charged particle in a magnetic field is invariant in nature, just like any other force (e.g., gravity or a spring force). Statement II: The magnetic force on a charged particle is given by F=q(v×B), where v is the velocity of the particle measured with respect to the frame of reference in which F is being calculated. Which of the following is correct? →
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