clc

T=300 //K
k=8.617*10^-5 //eV/K
q=1.6*10**-19 //C
epsilonx=8.854*10^-14 //F/cm
L=10*10^-4//cm^-2
v=10^7//sec
n0=10^12/L
disp(n0,"n0 in cm^-3 is=")
t=L/v
disp(t,"t in sec is=")