What is Thevenin: Definition and 318 Discussions

Thévenin is a surname. Notable people with the surname include:

Charles Thévenin (1764–1838), neoclassical French painter
Denis Thévenin, birth name of French author Georges Duhamel
Léon Charles Thévenin (1857–1926), French engineer
Nicolas Thévenin (born 1958), bishop and Vatican diplomat
Olivier Thévenin (born 1968), French racing driver

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  1. cepheid

    Find Thevenin Equivalent for Circuit - Basic Principles

    Homework Statement Find the Thevenin equivalent of the circuit shown below Homework Equations Nothing but basic principlesThe Attempt at a Solution Alright, I realize that it will take some time for the attachement to be approved, but it's a really simple circuit. It has just one loop...
  2. S

    Discover the Best Method for Thevenin Equivalents in Circuits

    What is the most general method that can be used to get the Thevenin equivalent for a circuit (one that always works)?
  3. V

    CIRCUIT ANALYSIS: Non-Ideal OpAmp with 2 resistors - Find Thevenin Equivalent

    Homework Statement There is a non-inverting op-amp below. http://img291.imageshack.us/img291/8242/chapter5lastproblemea1.jpg The op-amp is NOT ideal. We assume that R_i\,=\,\infty, R_0\,>\,0 and A is finite. Find the general Thevenin equivalent circuit seen at the terminals...
  4. V

    Find Thevenin Equiv. at a-b in Circuit Below

    Homework Statement Find the Thevenin equivalent at terminals a-b in the circuit below. http://img361.imageshack.us/img361/2250/chapter5problem36gq0.jpg Homework Equations KVL, KCL, v = i R, current and voltage equations for Operation Amplifier The Attempt at a Solution So I altered the...
  5. V

    Find Thevenin Equiv. at a-b for Transistor Model

    Homework Statement Find the Thevenin equivalent at terminals a-b for the transistor model below. http://img254.imageshack.us/img254/7228/chapter4problem52bj6.jpg Homework Equations KVL, KCL, v = i R, R_{TH}\,=\,\frac{V_0}{I_0}The Attempt at a Solution I took out the independent voltage...
  6. V

    Finding Thevenin Equivalent at Terminals a-b

    Homework Statement Find the Thevenin equivalent at terminals a-b of the circuit below. http://img153.imageshack.us/img153/6116/chapter4problem40ef4.jpg Homework Equations v = i R, KCL, KVL, R_{TH}\,=\,\frac{V_{OC}}{I_{OC}}.The Attempt at a Solution To get R_{TH}, I removed the independent...
  7. V

    Engineering Solve Thevenin Resistance: R3 Explained

    Hey, For the attached question, the only part I do not understand is why the Thevenin Resistance is equal to R3. I thought it would be (R1 || R2) + R3 Can somebody please explain this? cheers!
  8. F

    Signal Source - (Thévenin, Norton)

    I am troubled by this question. The book for this new course seems to have different terminology then what I am accustom to. I'm stuck on this question, because I don't understand what it is asking. question) A particular signal source produces an output voltage of 30\,mV when loaded by a...
  9. E

    Calculating Thevenin Voltage in Circuit w/Load Resistor

    I was wondering,how do we calculate the thevenin resistance in a circuit with a load resistor?Do we remove the load?How do we calculate the voltage at the load terminals?
  10. E

    Calculating Thevenin Resistance - Load Removal & Voltage at Load Terminals

    I was wondering,how do we calculate the thevenin resistance in a circuit with a load resistor?Do we remove the load?How do we calculate the voltage Lat the load terminals.Like for example in this circuit: http://i75.photobucket.com/albums/i281/esmeco/superpositionandthevenin.jpg I'm a bit...
  11. E

    Superposition and Thevenin theorem

    In exercise i) I had to use the superposition to find the current through R2:removing the voltage source and sticking with the current source,this was my node equation: Eq: v1/1000 + v1/1000 + 0.001=0 Solving for I2 the equation was: V1-0/R2=I2 where I2=-5x10E-4 Removing the current...
  12. T

    Learn Thevenin Law with Us: 1b Q&A

    Thevenin Law Woudl anyone teach me how to do question 1b? Thanks!
  13. M

    Thevenin Equivalent: HW Problem Solution Check

    i have an attempted solution to a HW problem, and I want to know if it is right or wrong. Could you guys please help me out. I have attached the image as a pdf
  14. P

    Find Thevenin Voltage & Current Across R2: Tricks & Tips Included

    I'm trying to find the current and voltage across R2 using thenenin. http://img209.imageshack.us/img209/4606/thv15ph.png I've managed to find Rth, which is equal to (R1 + R4)||(R3 + R5). That comes out to about 2.9 ohms. I need help with finding the Vth (Vab) though...
  15. F

    Thevenin equivalent of a half-wave rectifier

    [SOLVED] Thevenin equivalent of a half-wave rectifier Hello folks, I'm trying to wrap my head around the process of reducing a half-wave rectifier (w/ filter) with an AC input into a simple Thevenin circuit with a DC equivalent voltage. My brain seems to be stuck in "but the input is not...
  16. A

    Help needed in a particular example of Thevenin case

    I tried every which way, but am getting a wrong answer for the Thevenin equivalent voltage in the following circuit. I tried Norton too, but got a different answer and neither of them matches the correct answer from the book. Please help me :redface: ... I'm too frustrated :( Here's the...
  17. cepheid

    Thevenin equivalent of a network

    Sorry for such a basic question, but I'm having trouble grasping the idea of why the Thevenin equivalent of a network (as seen from two terminals) almost always has a Norton equivalent in the form in which it has been defined. More specifically, I've been trying to work out from staring at the...
  18. O

    Solving Problems with Thevenin: Is My Teacher Wrong?

    Have some problems with thevenin (or my teacher is wrong, which i believe :)). http://www.fmf.nl/~wim/studie/cir1.png example from my book: Vi=15V, R1=6, R2=R3=3 Voc = Vi R2/(R1+R2) = 5 V (potential divider) R2//R3=1.5 Ohm R1+(R2//R3)=7.5 Ohm --> I = 15/7.5 = 2 A Cause R2 and...
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