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RUN # III Let L-5 mH, C=1*10F, and R -10 22. Use Matlab to obtain the following plots: (a) XL(w) vs. w. over 0 SWS 700 rad/sec (b) Xc(w) vs. w, over 0 sw $ 700 rad/sec

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Answer 1

MATLAB CODE FOR SOLUTION (for (a) and (b)) clc clear all close all w=0:0.01:700; R=10; L=5*10^-3; C=1*10^-6; XL=w*L; XC=-1./(w*C); semilogx (w, XL); Plot of XL vs. 'W' ('W' axis in log-scale) xlabel('\bf w(rad/sec)'); ylabel('\bf Amplitude'); title('\bf Plot of X{_L) (w) vs. W'); figure semilogx (w,XC); Plot of Xc vs. 'W' ('W' axis in log-scale) xlabel('\bf w(rad/sec)'); ylabel('\bf Amplitude'); title('\bf plot of X{_C} (W) vs. w');

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MATLAB CODE FOR SOLUTION (PART c, d and e) clc clear all close all w=0:0.01:300; R=10; L=5*10^-3; C=1*10^-6; XL=w*L; $frequency ranges from 0 to 300 rad/sec Z RL=R+j* (w*L); subplot (2,1,1) semilogx (w, abs (Z_RL)); title('\bf Magnitude plot of Z{_a(w) } VS W'); xlabel('\bf w(rad/sec)'); ylabel('\bf Amplitude'); grid on subplot (2,1,2) semilogx (w, (phase (2_RL) *180/pi)); title('\bf Phase plot of Z{_a(w) } vs W'); xlabel('\bf w(rad/sec)'); ylabel('\bf Phase in (degree)'); grid on ---------- figure Z_RC=R-(j*1./ (w*C)); subplot (2,1,1) semilogx (w, abs (ZRC)); title('\bf Magnitude plot of Z{ b(w) } vs W'); xlabel('\bf w(rad/sec)'); ylabel('\bf Amplitude'); grid - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - subplot (2,1,2) semilogx (w, (phase (Z_RC) *180/pi)); title('\bf Phase plot of z{ b(w) } vs W'); xlabel('\bf w(rad/sec)'); ylabel('\bf Phase in (degree)'); grid - - - - - - - - -

2_c=(2_RL) + (2_RC); figure subplot (2,1,1) semilogx (w, abs (Z_c)); title('\bf Magnitude plot of Z{_c(w) } vs w'); xlabel('\bf w(rad/sec)'); vlabel('\bf Amplitude'); grid --------------------------- subplot (2,1,2) semilogx (w, (phase (2_c) *180/pi)); title('\bf Phase plot of Z{_c(w) } vs w'); xlabel('\bf w(rad/sec)'); ylabel('\bf Phase in (degree)'); grid

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Magnitude plot of Z(w) vs W 12 X 10² 777 --------------- -- --- Amplitude w(rad/sec) Phase plot of Z (w) vs w -89.75 -89.8 -89.85 Phase in (degree) -89.9 -89.95 10 10 w(rad/sec) Magnitude and Phase Plot of series R-C circuit using MATLAB

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