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Diffstat (limited to '1544/CH5/EX5.17/Ch05Ex17.sce')
| -rwxr-xr-x | 1544/CH5/EX5.17/Ch05Ex17.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/1544/CH5/EX5.17/Ch05Ex17.sce b/1544/CH5/EX5.17/Ch05Ex17.sce new file mode 100755 index 000000000..2495c390d --- /dev/null +++ b/1544/CH5/EX5.17/Ch05Ex17.sce @@ -0,0 +1,30 @@ +// Scilab code Ex5.17: Pg 168-169 (2008)
+clc; clear;
+R_in = 200; // Internal resistance of meter, kilo-ohms
+V = 10; // Supply voltage, volts
+R_1 = 10; // Resistance, kilo-ohms
+R_2 = 47; // Resistance, kilo-ohms
+V_1 = R_1/(R_1+R_2)*V // P.d across resistance R_1, V
+V_2 = R_2/(R_1+R_2)*V // P.d across resistance R_2, V
+// Part (a)
+R_AB = (R_1 * R_in)/(R_1 + R_in); // Resistance, kilo-ohms
+V_AB = (R_AB / ( R_AB + R_2 ))*V // True value of p.d across by voltmetre, V
+R_BC = (R_2 * R_in)/(R_2 + R_in); // Resistance, kilo-ohms
+V_BC = (R_BC / ( R_BC + R_1 ))*V // Indicated value of p.d across by voltmetre, V
+// Part (b)
+// Error for V_1 measurement
+error_AB = (V_AB - V_1)/V_1*100 // Percentage error in the reading
+//Error for V_2 measurement
+error_BC = (V_BC-V_2)/V_2*100 // Percentage error in the reading
+printf("\nThe p.d. indicated by the meter across first resistor = %4.2f V", V_AB);
+printf("\nThe p.d. indicated by the meter across second resistor = %4.2f V", V_BC);
+printf("\nPercentage error for V_1 measurement = %4.2f percent", error_AB);
+printf("\nPercentage error for V_2 measurement = %4.2f percent", error_BC);
+
+// Result
+// The p.d. indicated by the meter across first resistor = 1.68 V
+// The p.d. indicated by the meter across second resistor = 7.92 V
+// Percentage error for V_1 measurement = -3.96 percent
+// Percentage error for V_2 measurement = -3.96 percent
+
+
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