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| author | Eugeniy Mikhailov <evgmik@gmail.com> | 2013-09-03 18:17:11 -0400 |
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| committer | Eugeniy Mikhailov <evgmik@gmail.com> | 2013-09-03 18:17:11 -0400 |
| commit | 588e91859f468ea6fbfdc846a9146dcffcfecedc (patch) | |
| tree | 7ab60a5ffb954a4f059d48bc2aa7f735269ee1cf /manual_source/chapters/emratio.tex | |
| parent | 640a7b1aba8781df736bbe886adc08d0c4ad4fed (diff) | |
| download | manual_for_Experimental_Atomic_Physics-588e91859f468ea6fbfdc846a9146dcffcfecedc.tar.gz manual_for_Experimental_Atomic_Physics-588e91859f468ea6fbfdc846a9146dcffcfecedc.zip | |
typos fixed in emratio chapter
Diffstat (limited to 'manual_source/chapters/emratio.tex')
| -rw-r--r-- | manual_source/chapters/emratio.tex | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/manual_source/chapters/emratio.tex b/manual_source/chapters/emratio.tex index e262b7e..fc3c716 100644 --- a/manual_source/chapters/emratio.tex +++ b/manual_source/chapters/emratio.tex @@ -44,8 +44,8 @@ \section*{Theory} - The apparatus shown in Figure \ref{emfig1}. -consists of a glass tube that + The apparatus shown in Figure \ref{emfig1} + consists of a glass tube that houses a small electron gun. This gun has a cathode filament from which electrons can be thermionically released (boiled off), and a nearby anode which can be set to a potential which @@ -142,7 +142,7 @@ electron beam. The Helmholtz coils of the $e/m$ apparatus have a radius and separation of $a=15$~cm. Each coil has $N=130$~turns. The magnetic field ($B$) produced by the coils is proportional to the current through the coils ($I_{hc}$) times -$7.80\cdot10^{-4}$~tesla/ampere [$B (tesla) = (7.80 \cdot 10^{-4}) I_{hc}$]. A +$7.80\cdot10^{-4}$~Tesla/Ampere [$B (tesla) = (7.80 \cdot 10^{-4}) I_{hc}$]. A mirrored scale is attached to the back of the rear Helmholtz coil. It is illuminated automatically when the heater of the electron gun is powered. By lining the electron beam up with its image in the mirrored |