2045/CH4/EX4.30/Ex4_30.sce


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//example 30
colcur=8*10^-3;//ampere
re=500;//ohm
vce=3;//volt
beta1=80;
vcc=9;//volt
ib=colcur/beta1;
rb=(vcc-(1+beta1)*(ib*re))/ib;
disp(" base resistance   =   "+string((rb))+"ohm");