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+clear//
+
+//Variables
+
+VS = 15.0 //Input voltage (in volts)
+RS = 33.0 //Series resistance (in ohm)
+beta = 100.0 //common-emitter current gain
+RL = 100.0 //Load resistance (in ohm)
+VZ = 10.0 //Voltage across zener diode (in volts)
+VBE = 0.7 //Voltage across base and emitter
+
+//Calculation
+
+VL = VZ + VBE //Load voltage (in volts)
+IL = VL / RL //Load current (in Ampere)
+IS = (VS - VL) / RS //Current through RS (in Ampere)
+IC = IS - IL //Collector current (in Ampere)
+IB=IC/beta;IZ=IC/beta;
+
+//Result
+
+printf("\n Load voltage is %0.3f V.",VL)
+printf("\n Load current is %0.3f mA.",IL * 10**3)
+printf("\n Current through Rs is %0.1f mA.",IS * 10**3)
+printf("\n Collector current is %0.1f mA.",IC* 10**3)
+printf("\n Base current is %0.0f micro-A." ,IB * 10**6)