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5/30 MCQs for:
Magnetism
A particle carrying a charge of +e travels in a circular path in a uniform magnetic field. If instead the particle carried a charge of +2e, the radius of the circular path would have been:
A charged particle is injected into a uniform magnetic field such that its velocity vector is perpendicular to the magnetic field vector. Ignoring the particle's weight, the particle will:
A vertical wire carries a current straight down. To the east of this wire, the magnetic field points:

The force on a current-carrying wire in a magnetic field is equal to zero when:

A charged particle moves across a constant magnetic field. The magnetic force on this particle: