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Diffstat (limited to '3830/CH1/EX1.20/Ex1_20.sce')
| -rw-r--r-- | 3830/CH1/EX1.20/Ex1_20.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3830/CH1/EX1.20/Ex1_20.sce b/3830/CH1/EX1.20/Ex1_20.sce new file mode 100644 index 000000000..6d6cef8f4 --- /dev/null +++ b/3830/CH1/EX1.20/Ex1_20.sce @@ -0,0 +1,25 @@ +// Exa 1.20
+
+clc;
+clear;
+
+// Given
+
+// Refer Fig. 1.86
+Vdc = 12; // Volts
+Vac = 20; // Volts
+Vz = 12; // Volts
+Iz = 10*10^-3; // in Amps
+
+// Solution
+
+R =(Vac-Vdc)/Iz;
+printf('The value of resistance R = %d Ohms \n',R);
+P = Vdc*Iz;
+printf(' Power rating of the Zener = %d mW \n',P*1000);
+printf(' Factor 2 is the safety factor \n The power rating of the resistor taking a safety factor of 2 is P = ');
+psafety = 2*(Vdc - Vz)/R;
+printf(' %.2f W \n',psafety);
+printf(' 1/16 W resistor curve serves the purpose \n');
+
+//The answer provided in the textbook for power rating is wrong
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