A velocity selector in a mass spectrometer uses a 0.12 T magnetic field. (a) What electric field strength is needed to select a speed of 4.106 S E= V m (b) What is the voltage between the plates if they are separated by 1.3 cm? V= kV

University Physics Volume 2
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Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 54P: The strengths of the fields in the velocity selector of a Bainbridge mass spectrometer are B = 0.500...
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A velocity selector in a mass spectrometer uses a 0.12 T magnetic field.
(a) What electric field strength is needed to select a speed of 4.106. ?
m
S
E=
V
m
(b) What is the voltage between the plates if they are separated by 1.3 cm?
V=
kV
Transcribed Image Text:A velocity selector in a mass spectrometer uses a 0.12 T magnetic field. (a) What electric field strength is needed to select a speed of 4.106. ? m S E= V m (b) What is the voltage between the plates if they are separated by 1.3 cm? V= kV
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