clc; clear; close; t=10;//in years A=2*(10^7);//in hr-cm^2/amp delH=0.85;//in eV T=398;//in kelvin t50=10*t*365*24; k=8.62*(10^(-5)); Jmax=sqrt(A*exp(delH/(k*T))/t50); disp(Jmax,'max tolerable current density for electromigration(in A/cm^2)='); //the answer given in the textbook is wrong