An accelerating voltage of 2.71 x 10³ V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 32.7 cm away. What is the magnitude of the deflection on the screen caused by the Earth's gravitational field? m What is the direction of the deflection on the screen caused by the Earth's gravitational field? O up O down O east O west What is the magnitude of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 µT down? mm What is the direction of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 μT down? O north O south O east O west

University Physics Volume 2
18th Edition
ISBN:9781938168161
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Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 28P: An electron in a TV CRT moves with a speed of 6.0107 m/s, in a direction perpendicular to Earth's...
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An accelerating voltage of 2.71 x 10³ V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 32.7 cm away.
What is the magnitude of the deflection on the screen caused by the Earth's gravitational field?
What is the direction of the deflection on the screen caused by the Earth's gravitational field?
O up
down
O east
west
m
What is the magnitude of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 μT down?
mm
What is the direction of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 μT down?
O north
O south
O east
O west
Does an electron in this vertical magnetic field move as a projectile, with constant vector acceleration perpendicular to a constant northward component of velocity?
O Yes
O No
Is it a good approximation to assume it has this projectile motion?
O Yes
No
Transcribed Image Text:An accelerating voltage of 2.71 x 10³ V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 32.7 cm away. What is the magnitude of the deflection on the screen caused by the Earth's gravitational field? What is the direction of the deflection on the screen caused by the Earth's gravitational field? O up down O east west m What is the magnitude of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 μT down? mm What is the direction of the deflection on the screen caused by the vertical component of the Earth's magnetic field, taken as 20.0 μT down? O north O south O east O west Does an electron in this vertical magnetic field move as a projectile, with constant vector acceleration perpendicular to a constant northward component of velocity? O Yes O No Is it a good approximation to assume it has this projectile motion? O Yes No
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