initial commit / add all books

1 files changed, 18 insertions, 0 deletions

diff --git a/2885/CH6/EX6.6/ex6_6.sce b/2885/CH6/EX6.6/ex6_6.sce
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+//Calculate the collector current and change in it if B is changed by three times of previous B

+clear;

+clc;

+//soltion

+//given

+B=50;            //dc beta

+Rc=2*10^3;//ohm      //resistor connected to collector

+Rb=300*10^3;//ohm      //resistor connected to base

+Vcc=9;//V            //Voltage supply across the collector as it is PNP so taking positive

+Ib=Vcc/(Rb+B*Rc);         //Base current

+Ic=B*Ib;         //Colletor current

+printf("Collector current (B=50)= %.3f mA\n",Ic*1000);

+//Now B=150

+B=3*B;      //three times of previous B

+Ib1=Vcc/(Rb+B*Rc);         //Base current

+Ic1=B*Ib1;         //Colletor current

+printf("Collector current (B=150)= %.2f mA\n",Ic1*1000);

+printf("The factor at which collector current increases %.0f",Ic1/Ic);