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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:CHAPTER 32/ THE I
746
PROBLEMS
1. An electron in a uniform magnetic field has a velocity
ý = (40 km/s)î + (35 km/s)j. It experiences a force F =
(-4.2 fN)î + (4.8 fN)j. If B, = 0, calculate the magnetic
%3D
%3D
field.
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- 8. This time I1 = 1.61, I2 = 4.86 A, and the two wires are separated by 8.83 cm. Now consider the charge q = 2.22 x 10^-6 C, located a distance of 4.50 cm to the right of wire I2, moving to the right at speed v = 48.4 m/s. What is the magnitude of the total magnetic force on this charge? 2.58E-09 N 1.81E-09 N 1.09E-09 N 5.45E-10 Narrow_forwardA point charge Q = 9 nC travels with a velocity of 200 km/s in the direction of a_v = (3 a_x + 2 a_y + a_z)/sqrt(3^2+2^2+1^2). Determine the magnetic force due to a magnetic field B = 3 a_x + 2 a_y + a_z T. 5.4x10^-9 3.6x10^-9 1.8x10^-9 7.2x10^-9 none of the choicesarrow_forward-0.35 µC has a velocity of 2500000 m/s at 45° to the +x axis in the xz plane, with a positive x and z A charge q = component. There is a magnetic field of magnitude 0.06 T. a) If B is along the +zaxis, what is the force on the charge? N along the +y axis b) If the force on the charge is 2 x 10-3 N along +y axis, what is the direction of B? degrees from the +zaxis in the xz plane.arrow_forward
- 8. A charged particle moves in a horizontal plane with a speed of 8 70 106 . × m / s. When this particleencounters a uniform magnetic field in the vertical direction it begins to move on a circular path of radius15.9 cm. (a) If the magnitude of the magnetic field is 1.21 T, what is the charge-to-mass ratio (q/m) ofthis particle?arrow_forward1. An electron has a velocity v = (2 x 106 m/s) i +(3.0x 106 m/s)j moves through a uniform magnetic field B = (0.030 T) ? - (0.15 T)j. (a) Find the force on the electron due to the magnetic field. (b) mass of electron is 9.11 x 10-31 kg what will be the radius of the circular path for the electron in the magnetic field?arrow_forwardQuestion 8arrow_forward
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