Week 9 Quiz
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A beam of electrons is accelerated through a potential difference of 10 kV before entering a velocity selector. If the B-field of the velocity selector has a value of 0.010 T, what value of the E-field is required if the particles are to be undeflected?
1 point
An electron has an initial velocity to the south but is observed to curve upward as the result of a magnetic field. The direction of the magnetic field is
1 point
A charged particle moves across a constant magnetic field. The magnetic force of this particle
1 point
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
1 point
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