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diff --git a/2885/CH3/EX3.11/ex3_11.sce b/2885/CH3/EX3.11/ex3_11.sce
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+//Calculate output voltage and current through load and voltage across series resistor and current and power dissipated in zener diode
+clear;
+clc;
+//soltion
+//given
+Vi=110;//V       //input voltage
+Rl=6*10^3;// ohm    //load resistance
+Rs=2*10^3;//ohm       //series resistance
+Vz=60;//V        //Zener voltage
+V=Vi*Rl/(Rs+Rl);
+
+//This V>Vz therefore Zener diode is ON
+
+Vo=Vz;          //output voltage
+Il=Vo/Rl;       //Current through load resistance
+Vs=Vi-Vo;       //Voltage drop across the series resistor
+Is=Vs/Rs         //current through the series resistor
+Iz=Is-Il        ///By applying kirchhoff's law
+Pz=Vz*Iz        //Power dissipated accross zener diode
+
+printf("The output voltage is %.0f V\n",Vo);
+printf("The current through load resistance is %.0f mA\n",Il*1000);
+printf("Voltage across series resistor is %.0f V\n",Vs)
+printf("Current in zener diode is %.0f mA\n",Iz*1000)
+printf("Power dissipated by zener diode %.0f mW",Pz*1000);