Kirchhoffs laws apply whether or not Ohms law applies to a particular element. The I-V

Chapter 3, Problem 29

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Kirchhoff’s laws apply whether or not Ohm’s law applies to a particular element. The I-V characteristic of a diode, for example, is given by

\(I_{D}=I_{S}\left(e^{V_{D} / V_{T}}-1\right)\)

where \(V_T = 27\ mV\) at room temperature and \(I_S\) can vary from \(10^{−12}\) to \(10^{−3}\ A\). In the circuit of Fig. 3.68, use KVL/KCL to obtain \(V_D\) if \(I_S = 29\ pA\). (Note: This problem results in a transcendental equation, requiring an iterative approach to obtaining a numerical solution. Most scientific calculators will perform such a function.)

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