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author | Eugeniy Mikhailov <evgmik@gmail.com> | 2013-10-24 12:05:53 -0400 |
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committer | Eugeniy Mikhailov <evgmik@gmail.com> | 2013-10-24 12:05:53 -0400 |
commit | f6cc99e2be1068ffa8c995892263606c2257d906 (patch) | |
tree | bab433b561685954dee707904520e5a9cbcddf4e /supcon.tex | |
parent | 02f363033599dad236c7cde811ed86a659d568a2 (diff) | |
download | manual_for_Experimental_Atomic_Physics-f6cc99e2be1068ffa8c995892263606c2257d906.tar.gz manual_for_Experimental_Atomic_Physics-f6cc99e2be1068ffa8c995892263606c2257d906.zip |
ditch out experiment with ceramic resistor from superconductivity lab
Diffstat (limited to 'supcon.tex')
-rw-r--r-- | supcon.tex | 12 |
1 files changed, 6 insertions, 6 deletions
@@ -153,14 +153,14 @@ near the critical temperature (6.4-4.5 mV). Make a plot of \end{enumerate} -\section*{Resistance of a ceramic resistor} -\begin{enumerate} -\item Attach a ceramic resistor to a multimeter reading resistance ($k\Omega$ range). Record the room temperature resistance. +%\section*{Resistance of a ceramic resistor} +%\begin{enumerate} +%\item Attach a ceramic resistor to a multimeter reading resistance ($k\Omega$ range). Record the room temperature resistance. -\item Dunk the resistor in liquid nitrogen. Wait until it stops boiling. Record the resistance at this low temperature ($\approx$77 K). +%\item Dunk the resistor in liquid nitrogen. Wait until it stops boiling. Record the resistance at this low temperature ($\approx$77 K). -\item Take the resistor out of the nitrogen and carefully set it down. Record the resistance as the temperature increases. Make a plot of the measured resustance vs temperature. Compare the plots for the superconductor and the normal resistor, and explain the differences. -\end{enumerate} +%\item Take the resistor out of the nitrogen and carefully set it down. Record the resistance as the temperature increases. Make a plot of the measured resustance vs temperature. Compare the plots for the superconductor and the normal resistor, and explain the differences. +%\end{enumerate} \hskip-.8in\includegraphics[height=5in]{./pdf_figs/mvtok} |