clc;
//e.g22.5
VP=5;
IDSS=12*10**-3;
VDD=12;
ID=4*10**-3;
VDS=6;
VGS=VP*(1-sqrt(ID/IDSS));
VS=VGS;
RS=VS/ID;
disp('ohm',RS*1,"RS=");
RD=VDS/ID;
disp('Kohm',RD*10**-3,"RD=")