how the rc circuit expression is obtain

Discussion in 'General Electronics Chat' started by sagar474, Sep 20, 2011.

  1. sagar474

    Thread Starter New Member

    Jul 22, 2010
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  2. Papabravo

    Expert

    Feb 24, 2006
    10,148
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    KCL says the sum of the currents into a node must be 0
    Ohms law says I * R = (Vin - Vc) = Vr
    The expression for the current in the capacitor is the same as "Voltage is the integral of the current times 1 over C"
     
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