// clc; Ro=3980; Ta=273; disp('3980= a*3980*exp(b/273)') Rt50=794; Ta50=273+50; disp('794= a*3980*exp(b/323)') disp('on solving') disp('a=30*10^-6', 'b=2843') Ta40=273+40; Rt40=(30*10^-6)*3980*exp(2843/313); disp(Rt40,'Resistance at 40 degree C (ohm)') Rt100=(30*10^-6)*3980*exp(2843/373); disp(Rt100,'Resistance at 100 degree C (ohm)')