Question

include working in all your answers;

1a) A +5μC test charge is placed 2 m away from a sphere charged to -3mC. What is the force exerted on the test charge? What is the size of the electric field?

b) An electron with kinetic energy 1.50 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 35.0 cm. Find (a) the speed of the electron, (b) the magnetic field, (c) the frequency of circling, and (d) the period of the motion. (1eV = 1.60E-9 J).

c) You find that the maximum force on a particle is 4.00E-3 N when it passes through a magnetic field of strength 0.50 T at a speed of 100 m/s. What is the charge on the particle?

Answer 1

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