A velocity selector in a mass spectrometer uses a 0.1 T magnetic field.m(a) What electric field strength is needed to select a speed of 4.15.106 ?SE=m(b) What is the voltage between the plates if they are separated by 0.8 cm?V=KVThings to Prepare1. How is the velocity selector constructed?2. What is the principle of a mass spectrometer? What is the relationship between the electric fieldand the magnetic field inside the velocity selector?3. For two parallel charged plates, what is the relationship between the electric field and the electricpotential3

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A velocity selector in a mass spectrometer uses a 0.1 T magnetic field. m (a) What electric field strength is needed to select a speed of 4.15.106 - -? S E= V m (b) What is the voltage between the plates if they are separated by 0.8 cm? V= KV

A velocity selector in a mass spectrometer uses a 0.1 T magnetic field. m (a) What electric field strength is needed to select a speed of 4.15.106 - -? S E= V m (b) What is the voltage between the plates if they are separated by 0.8 cm? V= KV

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter26: Electromagnetism

Section26.1: Interactions Of Electric And Manetic Fields And Matter

Problem 2PP

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A velocity selector in a mass spectrometer uses a 0.1 T magnetic field.
m
(a) What electric field strength is needed to select a speed of 4.15.106 ?
S
E=
m
(b) What is the voltage between the plates if they are separated by 0.8 cm?
V=
KV
Things to Prepare
1. How is the velocity selector constructed?
2. What is the principle of a mass spectrometer? What is the relationship between the electric field
and the magnetic field inside the velocity selector?
3. For two parallel charged plates, what is the relationship between the electric field and the electric
potential3

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