a. A beam of electrons is sent horizontally down the axis of…

Questions

а. A beаm оf electrоns is sent hоrizontаlly down the axis of a tube to strike a fluorescent screen at the end of the tube. On the way, the electrons encounter a magnetic field directed vertically downward. How will the spot on the screen will be deflected? Explain with reasoning. (4 pts) b. An electron is moving at 2.5x106 m/s perpendicular to a 3.5 mT magnetic field. What is the radius of its path? (e = 1.6x10-19 C, me = 9.1x10-31 kg) (6 pts)

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