D=78;//dielectric constant// V=0.009;//viscosity of suspension in dyn sec per cm^2// P=3.2;//potential gradient in volt per cm// t=38.2; d=0.033;//standard distance between electrodes in cm// u=90000; EP=(4*%pi*V*u*d)/(D*t*P);//Electrokinetic potential of the catalyst in volts// printf('Electrokinetic potential of the catalyst=EP=%fvolts',EP);