Motion of Electrons in a Magnetic Field An electron of mass m and charge -e is...
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Motion of Electrons in a Magnetic Field An electron of mass m and charge -e is moving through a uniform magnetic field B = (B, 0, 0) in vacuum. (Figure 1)At the origin, it has velocity (Uz, Vy, 0), where > 0 and uy > 0. A screen is mounted perpendicular to the x axis at a distance D from the origin. Throughout, you can assume that the effect of gravity is Figure B screen 1 of 1 Part A y = First, suppose B = 0. Find the y coordinate y of the point at which the electron strikes the screen. Express your answer in terms of D and the velocity components v., and Vy. ► View Available Hint(s) ΠΠ ΑΣΦ Submit Part B < ? 6 of 10 Review | Constants Now suppose B₁ > 0, and another electron is projected in the same manner. Which of the following is the most accurate qualitative description of the electron's motion once it enters the region of nonzero magnetic Part B Now suppose B₂ > 0, and another electron is projected in the same manner. Which of the following is the most accurate qualitative description of the electron's motion once it enters the region of nonzero magnetic field? The electron decelerates before coming to a halt and turning around while always moving along a straight line. The electron's motion will be unaffected. (It will continue moving in a straight line with the same constant velocity.) The electron moves in a circle in the xy plane. The electron moves along a helical path about an axis parallel to the field lines with constant radius and constant velocity in the x direction. Submit Request Answer Motion of Electrons in a Magnetic Field An electron of mass m and charge -e is moving through a uniform magnetic field B = (B, 0, 0) in vacuum. (Figure 1)At the origin, it has velocity (Uz, Vy, 0), where > 0 and uy > 0. A screen is mounted perpendicular to the x axis at a distance D from the origin. Throughout, you can assume that the effect of gravity is Figure B screen 1 of 1 Part A y = First, suppose B = 0. Find the y coordinate y of the point at which the electron strikes the screen. Express your answer in terms of D and the velocity components v., and Vy. ► View Available Hint(s) ΠΠ ΑΣΦ Submit Part B < ? 6 of 10 Review | Constants Now suppose B₁ > 0, and another electron is projected in the same manner. Which of the following is the most accurate qualitative description of the electron's motion once it enters the region of nonzero magnetic Part B Now suppose B₂ > 0, and another electron is projected in the same manner. Which of the following is the most accurate qualitative description of the electron's motion once it enters the region of nonzero magnetic field? The electron decelerates before coming to a halt and turning around while always moving along a straight line. The electron's motion will be unaffected. (It will continue moving in a straight line with the same constant velocity.) The electron moves in a circle in the xy plane. The electron moves along a helical path about an axis parallel to the field lines with constant radius and constant velocity in the x direction. Submit Request Answer
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Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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