User:Foxjwill/Equations

$I=\backslash frac\{dQ\}\{dt\}$

$I=neAv\_d\backslash ,$

$J=\backslash frac\{I\}\{A\}$

$J=nev\_d\backslash ,$

$\backslash rho\; =\; \backslash frac\{E\}\{J\}$

$Q=Ne=neAL\backslash ,$

$R=\backslash frac\{\backslash rho\; L\}\{A\}$