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Impedance of resonance cct

  1. Jan 30, 2009 #1
    1. The problem statement, all variables and given/known data

    Quick one guys, I am very confused about the impedance of a RLC circuit. Say when you have more than one resistor or more than one capacitor or inductor in different combination, you get a impedance with two parts(imaginary which is the reactive part and the resistive part) when the circuit is in resonance, how do I find the actual impedance because all the reactive parts cancels out.

    2. Relevant equations

    and what is the behaviour of resistor above resonance frequency...?

    3. The attempt at a solution

    I am stuck....
     
  2. jcsd
  3. Jan 30, 2009 #2

    berkeman

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    Staff: Mentor

    Write the equation for a parallel RLC circuit, and solve for the Z(resonance). What do you get?

    Do the same for a series RLC circuit -- what do you get for Z(resonance)?
     
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