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Diffstat (limited to '3871/CH12/EX12.30/Ex12_30.sce')
| -rw-r--r-- | 3871/CH12/EX12.30/Ex12_30.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3871/CH12/EX12.30/Ex12_30.sce b/3871/CH12/EX12.30/Ex12_30.sce new file mode 100644 index 000000000..9b676f21b --- /dev/null +++ b/3871/CH12/EX12.30/Ex12_30.sce @@ -0,0 +1,25 @@ +//=====================================================================================
+//Chapter 12 example 30
+
+clc;clear all;
+
+//variable declaration
+f1 = 1*10^6; //frequency in Hz
+f2 = 2*10^6; //frequency in Hz
+C1 = 480*10^-12; //capacitance in F
+C2 = 90*10^-12; //capacitance in F
+R = 10; //resistance
+
+//calculations
+Cd = (C1-(4*C2))/3; //self capacitance of the coil in pF
+Q1 = 1/(2*%pi*f1*(C1+Cd)*R); //the indicated or effective Q of the coil
+Q11 = 1/(2*%pi*f1*(C1)*R); //the true Q of the first instrument
+Q2 = 1/(2*(%pi)*f2*(C2+Cd)*R); //the indicated or effective Q for the second instrument
+Q22 = 1/(2*(%pi)*f2*(C2)*R); //the true Q of the second instrument
+
+//result
+mprintf("the indicated or effective Q of the coil = %3.1f ",Q1);
+mprintf("\nthe true Q of the first instrument = %3.3f",Q11);
+mprintf("\nthe indicated or effective Q for the second instrument = %3.3f",Q2);
+mprintf("\nthe true Q of the second instrument = %3.2f",Q22);
+
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