// Exa 2.26 clc; clear; close; // Given data q=1.6*10^-19;// in C miu_n= 0.36;// in m^2/v-s miu_p= 0.17;// in m^2/v-s ni= 2.5*10^19;// per m^3 sigma= q*ni*(miu_n+miu_p);// in s/m rho= 1/sigma;// in Ωm disp(sigma,"Conductivity of Ge in s/m is : ") disp(rho,"Resistivity in Ωm is : ")