# Questions tagged [norton]

For questions about Norton's Theorem, which states that a linear network of impedances, voltage sources, and current sources can be replaced with an equivalent network composed of a current source in parallel with an impedance. Consider also using the "thevenin" tag for questions also involving its dual, Thévenin's theorem.

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### Thévenin's Theorem - What to do when ending up with a voltage source in paralell with one resistor?

I want to find the Thévenin and Norton equivalents for the circuit below. To find $R_{Th}$ we first kill all the sources. Then we have 2 paralell resistors, in series with one resistor and all of ...
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### Why does a source transformation not work in this case?

Circuits 2 and 3 give 3.8 mA as the current through R1 [2k Ohm resistor]. However, why is it not possible to transform circuit 3 to circuit 1? what I did: I tried simulating circuits 2 and 3 below to ...
888 views

### Resistor in parallel with a short circuit. Will current flow through it?

I'm trying to find the Isc of this circuit seen by the capacitor at t > 0 so I could find the Rth and get the circuit's time constant. If I make the capacitor a short circuit, it will be in ... 488 views

### Thevenin Equivalent Circuit of Ideal Independent Current Source

This is dual to <Norton Equivalent Circuit of Ideal Independent Voltage Source>. I have wrote it to answer a problem <click here> but I need to make it independent which requires ...
531 views

### Norton Equivalent Circuit of Ideal Independent Voltage source

For some purpose I need to derive the equivalent Norton circuit of an ideal independent voltage source. I found that it is impossible to do it. I describe the way I found it below and need comments, ...
1 vote
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### LM359 Quartz Crystal Oscillator Schematic not working

I'm trying to design a Crystal Oscillator based on the LM359 chip and the schematic on the datasheet but it's not working. It does not do anything. What I'm doing wrong? I changed some components ...
1 vote
372 views

### How to find total voltage in a two loop circuit

I've been going through the DC Theory textbook by NJATC to learn basic electronics so I can better enjoy my guitar tinkering. But I also want to be able to repair or maybe even build effect pedals and ...
1 vote
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### Why will i calculate the wrong current when i transform part of circuit to Thevenin circuit?

Here is the circuit in this question The original circuit is in the left hand side,as we can see,there are two norton circuits in it,so i transform them to the thevenin equivalent circuit,just like ...
1 vote
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### How would I solve for the Norton Current of this circuit?

How do I solve for the Norton Current of this circuit? The resistance is easy enough, but the box with the resistor and current source is tripping me up. How could I solve for that?
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### Circuit with dependent & independent voltage sources - Why not matching?

I've just solved this exercise by hand and then I have compared the results with PSIM Simulator and there's a difference of e-006 in the Voltage Vo. I just can't understand where's the mistake, I have ...
1 vote
312 views

### Norton Equivalent and current convention

Consider that we are trying to find the Norton equivalent of a certain circuit . According to my understanding , while finding the short circuit current or the Norton current , we should point it ...
1k views

### Thevenin equivalent with mutual inductance

I was practicing for the exam I found a problem in the book as follow : I want to find the voltage Vth so here is what I did : When finding the Vth I didn't ignore the dependant voltage source in ...
200 views

### How to use KCL or KVL to find the $V_{AB}$?

Find the $V_{AB}$ $V_{AB}=(2\times 10)+(-10)+[(1 \times 5)+(1+2)\times 5]=25V$ simulate this circuit – Schematic created using CircuitLab Now if i want to use KVL or KCL to calculate the \...
228 views

### how do we find the Norton equivalent circuit current of the both node ,a-b

Determine the Norton equivalent circuit current of the both node ,a-b, of 9 ohms resistors simulate this circuit – Schematic created using CircuitLab Solution: simulate this circuit \\$V=RI=(...