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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/CH28/EX28.09 | |
| 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 '608/CH28/EX28.09')
| -rwxr-xr-x | 608/CH28/EX28.09/28_09.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/608/CH28/EX28.09/28_09.sce b/608/CH28/EX28.09/28_09.sce new file mode 100755 index 000000000..833f3247c --- /dev/null +++ b/608/CH28/EX28.09/28_09.sce @@ -0,0 +1,27 @@ +//Problem 28.09: A series R–L–C circuit is connected to a 0.2 V supply and the current is at its maximum value of 4 mA when the supply frequency is adjusted to 3 kHz. The Q-factor of the circuit under these conditions is 100. Determine the value of (a) the circuit resistance, (b) the circuit inductance, (c) the circuit capacitance, and (d) the voltage across the capacitor
+
+//initializing the variables:
+V = 0.2; // in Volts
+I = 0.004; // in Amperes
+fr = 3000; // in Hz
+Qr = 100; // Q-factor
+
+//calculation:
+wr = 2*%pi*fr
+//At resonance, impedance
+Z = V/I
+//At resonance the circuit impedance, Z
+R = Z
+//Q-factor at resonance is given by Qr = wr*L/R, then L is
+L = Qr*R/wr
+//At resonance r*L = 1/(wr*C)
+//capacitance, C
+C = 1/(L*wr*wr)
+//Q-factor at resonance in a series circuit represents the voltage magnification Qr = Vc/V, then Vc is
+Vc = Qr*V
+
+printf("\n\n Result \n\n")
+printf("\n (a)the circuit resistance is %.0f ohm ",R)
+printf("\n (b)inductance, L is %.3f H ",L)
+printf("\n (c)capacitance, C is %.2E F ",C)
+printf("\n (d)the voltage across the capacitor is %.0f V ",Vc)
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