Physics, 25.09.2021 14:00 vlactawhalm29
An electron entering Thomson’s e/m apparatus has an initial speed (in the horizontal direction only) of 4.0 ×106 /. In the lab is a permanent horseshoe magnet of strength 12 , which you would like to use.
(a) What electric field will you need in order to produce zero deflection of the electrons as they travel through the apparatus?
(b) The length of nonzero electric and magnetic fields is 2.0 . When the magnetic field is turned off, but the same electric field remains, how far in the vertical direction will the electron beam be deflected over this length?
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