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diff --git a/135/CH3/EX3.17/EX17.sce b/135/CH3/EX3.17/EX17.sce
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+// Example 3.17: (a) R, maximum possible value of load current
+//               (b) Range of V
+clc, clear
+Vz=50; // Diode voltage in volts
+Izmin=5e-3; // in amperes
+Izmax=40e-3; // in amperes
+
+disp("Part (a)");
+ILmin=0;
+V=200; // Input voltage in volts
+R=(V-Vz)/(Izmax-ILmin); // in ohms
+ILmax=((V-Vz)/R)-Izmin; // in amperes
+Rk=R*1e-3; // in kilo-ohms
+ILmax=ILmax*1e3; // in miliamperes
+disp(Rk,"R(kΩ) =");
+disp(ILmax,"Maximum possible value of load current (mA) =");
+
+disp("Part (b)");
+IL=25e-3;
+Vmin=Vz+R*(Izmin+IL); // in volts
+Vmax=Vz+R*(Izmax+IL); // in volts
+disp(Vmin,"Minimum value of V (V) =");
+disp(Vmax,"Maximum value of V (V) =");
+\ No newline at end of file