Equal charges, one at rest, the other having a velocity of 10⁴ m/s, are released in a uniform magnetic field. Which charge has the largest force exerted on it by the magnetic field? A) The charge that is at rest. B) The charge that is moving, if its velocity is parallel to the magnetic field direction when it is released. C) The charge that is moving if its velocity makes an angle of 45^o with the direction of the magnetic field when it is released. D) The charge that is moving if its velocity is perpendicular to the magnetic field direction when it is released. E) All the charges above experience equal forces when released in the same magnetic field.

Question

Quizplus · Accepted Answer

When a charged particle moves perpendicular to a uniform magnetic field, it experiences the maximum force given by F = qvB, where q is the charge of the particle, v is its velocity, and B is the magnetic field strength. Therefore, the charge that is moving perpendicular to the magnetic field direction will experience the largest force exerted on it by the magnetic field.

Equal Charges, One at Rest, the Other Having a Velocity