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+//Chapter 6, Problem 1
+clc
+hfe=200 //dc current gain
+vcc=10 //supply voltage
+vbe=0.7 //base to emitter voltage
+ic=1e-3 //collector current
+vc=5 //collector voltage
+
+//calculation of operating point
+ib=ic/hfe
+rf=(vc-vbe)/ib
+rc=(vcc-vc)/(ic+ib)
+printf("Operating point Rc = %.3f Kohm",rc/1000)