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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /1076/CH18 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '1076/CH18')
| -rwxr-xr-x | 1076/CH18/EX18.1/18_1.sce | 14 | ||||
| -rwxr-xr-x | 1076/CH18/EX18.2/18_2.sce | 29 | ||||
| -rwxr-xr-x | 1076/CH18/EX18.3/18_3.sce | 20 |
3 files changed, 63 insertions, 0 deletions
diff --git a/1076/CH18/EX18.1/18_1.sce b/1076/CH18/EX18.1/18_1.sce new file mode 100755 index 000000000..9d0aca82c --- /dev/null +++ b/1076/CH18/EX18.1/18_1.sce @@ -0,0 +1,14 @@ +clear;
+clc;
+
+d=2e-2;
+l=3;
+rho=60;
+
+//(a)
+R=(rho/(2 * %pi * l)) * log (4* l / d);
+mprintf("\n(a) Earthing resistance = %.2f ohm", R)
+
+//(b)
+r= rho / (2 * %pi * R);
+mprintf("\n(b) Radius of hemspherical electrode = %.3f m", r)
diff --git a/1076/CH18/EX18.2/18_2.sce b/1076/CH18/EX18.2/18_2.sce new file mode 100755 index 000000000..399254df7 --- /dev/null +++ b/1076/CH18/EX18.2/18_2.sce @@ -0,0 +1,29 @@ +clear;
+clc;
+
+d=2e-2;
+l=3;
+rho=60;
+D=3;
+
+R=(rho/(2 * %pi * l)) * log (4* l / d);
+r= rho / (2 * %pi * R);
+
+//(a)
+a=r/D;
+R2p=((1+a)/2)*R;
+mprintf("\n(a) Resistance of 2 rods in parallel = %.3f ohm", R2p)
+
+//(b)
+
+R3p=((2+a-(4*a*a))/(6-(7*a)))*R;
+mprintf("\n(b) Resistance of 3 rods in parallel = %.2f ohm", R3p)
+
+//(c)
+R3t=((1+a+a)/3)*R;
+mprintf("\n(c) Resistance of 3 rods in equilateral triangle = %.1f ohm", R3t)
+
+//(d)
+R4s=((1+(2.707*a))/4)*R;
+mprintf("\n(d) Resistance of 4 rods in square = %.2f ohm", R4s)
+
diff --git a/1076/CH18/EX18.3/18_3.sce b/1076/CH18/EX18.3/18_3.sce new file mode 100755 index 000000000..7eb3dce9b --- /dev/null +++ b/1076/CH18/EX18.3/18_3.sce @@ -0,0 +1,20 @@ +clear;
+clc;
+
+l=3;
+r=.25e-2;
+rho=100;
+h=.5;
+
+//(a)
+Ra=(rho/(%pi * l)) *(log(2*l/r)-1);
+mprintf("\n (a) Resistance when buried at surface of earth = %.2f ohm", Ra)
+
+//(b)
+Rb=(rho/(%pi * l)) *(log(2*l/sqrt(2*r*h))-1);
+mprintf("\n (a) Resistance when buried .5m under earth earth = %.2f ohm", Rb)
+
+//(c)
+Rc=Ra/2
+mprintf("\n (c) Resistance when buried infinte deep = %.2f ohm", Rc)
+
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