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Diffstat (limited to '3871/CH3/EX3.14/Ex3_14.sce')
| -rw-r--r-- | 3871/CH3/EX3.14/Ex3_14.sce | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/3871/CH3/EX3.14/Ex3_14.sce b/3871/CH3/EX3.14/Ex3_14.sce new file mode 100644 index 000000000..0ceb1d0b7 --- /dev/null +++ b/3871/CH3/EX3.14/Ex3_14.sce @@ -0,0 +1,39 @@ +//===========================================================================
+//chapter 3 example 14
+
+clc;clear all;
+
+//variable declaration
+R1 = 200; //resistancce in Ω
+R2 = 100; //resistancce in Ω
+R3 = 50; //resistancce in Ω
+dR1 = 5; //change in resistancce(dR1/R1) in %
+dR2 = 5; //change in resistancce(dR2/R2) in %
+dR3 = 5; //change in resistancce(dR3/R3) in %
+y1 = 20000;
+y2 = 5000;
+y3 = 10000;
+
+
+//calculations
+Rse = R1+R2+R3; //equivalent resistance in Ω
+R = ((R1/(Rse))*(dR1))+((R2/(Rse))*(dR2))+((R3/(Rse))*(dR3));
+e = Rse*(R/(100)); //relative limiting error of series equivalent in Ω
+X = R1*R2*R3;
+Y = (R2*R3)+(R1*R3)+(R1*R2);
+RP = X/(Y); //equivalent resistance in Ω
+eX = dR1+dR2+dR3; //error in X in %
+dy1 = dR1+dR2; //error(dy1/y1) n y1 in %
+dy2 = dR2+dR3; //error(dy2/y2) in y2 in %
+dy3 = dR3+dR1; //error(dy3/y3) in y3 in %
+eY = ((y1/(Y))*(dy1))+((y2/(Y))*(dy2))+((y3/(Y))*(dy3)); //percentage error in %
+pemax = eX+eY; //percentage error (maximum possible) in equivalent parallel resistance in %
+emax = RP*(pemax/(100)); //error maximum possible in equivalent parallel resistance in Ω
+
+//result
+mprintf("equivalent resistance = %3.2f Ω",Rse);
+mprintf("\nrelative limiting error of series resistance = %3.2f percentage",R);
+mprintf("\nrelative limiting error of series equivalent = %3.2f Ω",e);
+mprintf("\npercentage error (maximum possible) in equivalent parallel resistance= %3.2f percetage",pemax);
+mprintf("\nerror maximum possible in equivalent parallel resistance =%3.4f Ω',emax);
+
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