What is the velocity of a beam of electrons that goes
Chapter 20, Problem 14(choose chapter or problem)
(II) What is the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and to a magnetic field. \(\overrightarrow{\mathbf{E}}\) and \(\overrightarrow{\mathbf{B}}\) are also perpendicular to each other and have magnitudes \(7.7 \times 10^{3} \mathrm{~V} / \mathrm{m}\) and \(7.5 \times 10^{-3} \mathrm{~T}\), respectively. What is the radius of the electron orbit if the electric field is turned off?
Equation Transcription:
Text Transcription:
overrightarrow^E
overrightarrow^B
7.7 times 10^3 V/m
7.5 times 10^-3T
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