Showing 461 to 470 of 968 Questions
  • An electron moves at 0.l00c as shown in Fig. Find the magnitude and direction of the magnetic field this electron produces at the following points, each 2.00 μm from the electron: (a) Points A and B; (b) point C; (c) point D.

  • An electron moves at 2.50 X l06 m/s through a region in which there is a magnetic field of unspecified direction and magnitude 7.40 X l0-2 T. (a) What are the largest and smallest possible magnitudes of the acceleration of the electron due to the magnetic field? (b) If the actual acceleration of the electron is one-fourth of the largest m

  • An electron moves in a circle of radius r = 5.29 x 10-11 m with speed 2.19 x 106 m/s. Treat the circular path as a current loop with a constant current equal to the ratio of the electron's charge magnitude to the period of the motion. If the circle lies in a uniform magnetic field of magnitude B = 7.10mT, what is the maximum possible magn

  • An electron moves in a circular path perpendicular to a constant magnetic field of magnitude 1.00 mT. The angular momentum of the electron about the center of the circle is 4.00 x 10-25 J s. Determine (a) The radius of the circular path and (b) The speed of the electron.

  • An electron moves through a uniform magnetic field given by B = Bx i + (3.0Bx) j. At a particular instant, the electron has velocity v = (2.0i + 4.0) j m/s and the magnetic force acting on it is (6.4 x 10-19N) k. Find Bx

  • An electron moves with a velocity of 2.75 Mm/s in the xy plane at an angle of 60o to the x axis and 30o to the y axis. A magnetic field of 0.85 T is in the positive y direction. Find the force on the electron.

  • An electron moving along the positive x axis perpendicular to a magnetic field experiences a magnetic deflection in the negative y direction. What is the direction of the magnetic field?

  • An electron of kinetic energy 1.20keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 25.0 cm. Find(a) The electron's speed,(b) The magnetic field magnitude,(c) The circling frequency, and(d) The period of the motion.

  • An electron of kinetic energy 45 keV moves in a circular orbit perpendicular to a magnetic field of 0.325 T. (a) Find the radius of the orbit. (b) Find the frequency and period of the motion.

  • An electron orbits a proton at a radius of 5.29 × 10–11 m. What is the magnetic field at the proton due to the orbital motion of the electron?

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