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.
0167 
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 l02 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 onefourth of the largest m
0198 
An electron moves in a circle of radius r = 5.29 x 1011 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
2333 
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 1025 J s. Determine (a) The radius of the circular path and (b) The speed of the electron.
0470 
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 1019N) k. Find Bx
1239 
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.
092 
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?
0143 
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.
0520 
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.
0281 
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?
0212
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