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windsylph

  • 2 years ago

ODE's/Electrical Eng'g: Find v(t) for the RLC circuit in this picture: http://dl.dropbox.com/u/17638088/rlc%20overdamped.PNG given v(0+) = 12 V, and i_L(0+) = 30 mA.

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  1. windsylph
    • 2 years ago
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    Using what I've learned in my ODE class, solving the 2nd order differential equation v'' + (1/RC)v' + (1/LC)v = 0 for this situation gives a different solution from my textbook's solution for some reason..

  2. experimentX
    • 2 years ago
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    i was doing the same :P

  3. windsylph
    • 2 years ago
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    But the book has v(t) = -14e^(-5000t) + 26e^(-20000t) though..

  4. experimentX
    • 2 years ago
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    L=?, C=?

  5. experimentX
    • 2 years ago
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    R=?

  6. windsylph
    • 2 years ago
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    L = 50mH, C = 0.2uF, and R = 200 Ohms as shown on the picture

  7. experimentX
    • 2 years ago
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    you messed up C on the last

  8. windsylph
    • 2 years ago
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    oh lol thank you.. I did LR instead of LC haha thanks

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