(a) A velocity selector consists of electric and magnetic fields described by the expressions E = Ek and B = Bj, with B = 17.0 mT. Find the value of E (in kV/m) such that a 680 ev electron moving in the negative x-direction is undeflected. 262.879 kV/m (b) What If? For the value of E found in part (a), what would the kinetic energy of a proton have to be (in MeV) for it to move undeflected in the negative x-direction? .12 X Mev
(a) A velocity selector consists of electric and magnetic fields described by the expressions E = Ek and B = Bj, with B = 17.0 mT. Find the value of E (in kV/m) such that a 680 ev electron moving in the negative x-direction is undeflected. 262.879 kV/m (b) What If? For the value of E found in part (a), what would the kinetic energy of a proton have to be (in MeV) for it to move undeflected in the negative x-direction? .12 X Mev
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 13P
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