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diff --git a/2825/CH4/EX4.14/Ex4_14.sce b/2825/CH4/EX4.14/Ex4_14.sce
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+//Ex4_14 Pg-246
+clc
+
+RL=1*10^3 //load resistance in ohm
+Rs=270 //series resistor in ohm
+Vs=18 //supply voltage in V
+vz=10 //xener voltage
+
+disp("Applying Thevenin''s theorem, Thevenin voltage across the zener diode")
+Vth=(RL/(RL+Rs))*Vs //Thevenin voltage
+printf("\n      Vth = %.1f V \n ",Vth)
+
+disp("Thus Vth is greater than Vz(zener voltage),i.e 14.2 >10. So Zener diode is operating in the breakdown voltage.")