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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 /608/CH30/EX30.01 | |
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initial commit / add all books
Diffstat (limited to '608/CH30/EX30.01')
| -rwxr-xr-x | 608/CH30/EX30.01/30_01.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/608/CH30/EX30.01/30_01.sce b/608/CH30/EX30.01/30_01.sce new file mode 100755 index 000000000..8d98d0a0e --- /dev/null +++ b/608/CH30/EX30.01/30_01.sce @@ -0,0 +1,27 @@ +//Problem 30.01: Use Kirchhoff’s laws to find the current flowing in each branch of the network shown in Figure 30.3.
+
+//initializing the variables:
+rv1 = 100; // in volts
+rv2 = 50; // in volts
+thetav1 = 0; // in degrees
+thetav2 = 90; // in degrees
+R1 = 25; // in ohm
+R2 = 20; // in ohm
+R3 = 10; // in ohm
+
+//calculation:
+//voltage
+V1 = rv1*cos(thetav1*%pi/180) + %i*rv1*sin(thetav1*%pi/180)
+V2 = rv2*cos(thetav2*%pi/180) + %i*rv2*sin(thetav2*%pi/180)
+//The branch currents and their directions are labelled as shown in Figure 30.4
+//Two loops are chosen. loop ABEF, and loop BCDE
+//using kirchoff rule in 3 loops
+//two eqns obtained
+//(R1 + R2)*I1 + R2*I2 = V1
+//R2*I1 + (R2 + R3)*I2 = V2
+I1 = (3*V1 - 2*V2)/(3*(R1 + R2) - 2*(R2))
+I2 = (V2 - R2*I1)/(R2 + R3)
+I = I1 + I2
+
+printf("\n\n Result \n\n")
+printf("\n current, I1 is %.2f + (%.2f)i A, current, I2 is %.2f + (%.2f)i A and total current, I is %.2f + (%.2f)i A",real(I1), imag(I1),real(I2), imag(I2),real(I), imag(I))
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