From: hackbard Date: Thu, 22 Nov 2007 16:55:50 +0000 (+0100) Subject: -obviously X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6fe7fe36058d187ab16ca98408eea00c9b21ff5a;p=lectures%2Flatex.git -obviously --- diff --git a/solid_state_physics/tutorial/1_03.tex b/solid_state_physics/tutorial/1_03.tex index a6efba3..d7d685a 100644 --- a/solid_state_physics/tutorial/1_03.tex +++ b/solid_state_physics/tutorial/1_03.tex @@ -102,7 +102,7 @@ The wire has a resistance $R$. average electronic velocity. \item Rewrite the current density using the average electronic velocity and find an expression for the conductivity $\sigma=1/\rho$. - \item Obviously the resistance is caused by collisions of the electrons + \item The resistance is caused by collisions of the electrons with the lattice. Energy is not conserved in the collisions. Find an expression for the power loss in the considered wire.