clc;
//e.g 29.10
R1=6.8*10**3;
R2=4.7*10**3;
C1=1000*10**-12;
t2=0.7*R2*C1;
disp('microS',t2*10**6,"t2=");
t1=0.7*(R1+R2)*C1;
disp('microS',t1*10**6,"t1=");
dc=(t1/(t1+t2))*100;
disp('%',dc*1,"dc=");