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Questions tagged [norton]

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1answer
51 views

Thevenin equivalent of the following circuit

So...I have to find \$v0\$ using exclusively Thévenin/Norton equivalents. I am completely lost since in this case I have a dependent voltage source which relies on \$v0\$ itself. \$v1,a,R1,R2\$ and ...
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1answer
32 views

Finding Norton voltage and resistance and max power

My directions for this problem are to find the power delivered when RL=3 and then find the maximum power. simulate this circuit – Schematic created using CircuitLab I found Rth = R1//R2 = 1 ...
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0answers
24 views

Norton's current w.r.t terminal a-b is, [closed]

I didn't get the answer...could you please solve me the problem clearly?
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3answers
86 views

Thevenin's theorem equivalent circuit

I had an homework to do for school. One of the questions of this homework was to find the equivalent of a circuit using Thevenin's theorem. Unfortunately, my teacher told me that I didn't get the ...
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0answers
60 views

What is the Thevenin Norton equivalent of the folloing circuit

I am trying to find the Thevenin Norton equivalent of the folloing circuit. I am familiar with the procedure. However, when I am taking off the voltages to calculate the equivalent resistance, I am ...
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1answer
53 views

Calculating Short Circuit Current when Nortonizing a Circuit

My objective is to find v (voltage drop across 8 ohm) in the below circuit. I was able to thevenize the circuit successfully (V thevenin = 12 V and R thevenin = -2 ohm) and find v. But I find it ...
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3answers
72 views

How to apply Thevenin's Theorem to this circuit?

I have been trying to solve this question with either Thevenin's Theorem or Norton's Theorem but I got stuck at finding the Vth . Load Resistor is 5Ohm resistor in the middle . I have removed the ...
2
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3answers
57 views

Norton <-> Thévenin equivalents with complex impedances

Given a Thévenin equivalent circuit, it's pretty easy to convert to the Norton equivalent, or vice versa: simulate this circuit – Schematic created using CircuitLab Although the value of the ...
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3answers
55 views

why would Ix would be 0?

Current coming out of the 5V source would never be 0 so what would make the current coming out of the 3v dependent source 0?
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1answer
54 views

Understanding some mistakes, when trying to find the Thevenin equivalent

I was asked to find the Thevenin-Norton equivelant, and I got stuck on some things that I can't quite understand. I don't know if i need to be more specific. What's wrong with the following? And why ...
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2answers
66 views

Combining perfect voltage and current sources

I am attempting to reduce the circuit shown into a form of a single voltage source and resistance in series using Thevenin and Norton conversions. I approached the problem by first considering a ...
2
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1answer
37 views

Norton's equivalent circuit with independent sources

I need to find the current flowing through \$R_{5}\$ by using Norton's theorem. What I tried to do was: Open-circuit the part of the circuit where there is \$R_{5}\$. Calculate \$R_{n}\$ by open-...
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1answer
47 views

Calculate the Norton Resistance and Current and the Thevenin Voltage of the following circuit

U=10 V, R=10 ohm I calculated the resistance as such: 1/Rt = 1/R + 1/R <=> Rt = R/2 = 5 ohm To calculate the voltage I did KVL as such: U - 2Ur = 0 <=> Ur = 5V, where Ur is the voltage in the ...
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1answer
40 views

Finding the energy over the capacitor in DC

I tried using Thevenin to solve this and found Rth = 3 and Vth = 12 but this is way off the correct energy of the capactor (the energy is 4J).
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1answer
44 views

Finding Thevenin equivalent circuit and using that circuit when terminals inside circuit

Sorry for the bad title, but I'm trying to get the Thevenin equivalent circuit and then use that circuit to calculate a current i. The problem I'm having is I'm not sure what to get the open circuit ...
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2answers
80 views

Norton equivalent resistance of zero?

I am trying to analyze this circuit using norton. Load (20 Ω) is connected between A and B. I have removed the load and calculated the norton current to be -2A. Now I try to calculate the norton ...
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1answer
50 views

Thévenin equivalent of a Norton equivalent

A very simple question. When solving circuits, and you need to solve it using the mesh analysis, you want the circuit to only have voltage generators.I wonder if for an independent current generator ...
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1answer
107 views

Do a Thevenin source and its equivalent Norton source always supply equal power?

Power supplied by a Thevenin source $$P_{Thevenin} = V_{Th}^2 \frac{1}{R_{Th}+R_L}$$ Power supplied by its equivalent Norton source $$\begin{eqnarray} P_{Norton} & = & I_N^2 \frac{R_{Th} ...
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1answer
30 views

Question with using Isc -> Any errors?

For the picture below, the answer for Voc is 7.5V, but when I add an Isc at terminals AB, and use KCL, I get Voc = 3.75V. Here are my steps/equations: (1) 15 = 4I1 - 2Isc (2) 0 = 3Isc - 2I1 I get ...
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2answers
46 views

Thevenin Norton Concept

For the below circuit, assuming I add a short circuit between terminals A and B (let's call it Isc), howcome I can't use a KVL equation for the left loop, along with the right loop (IsR1 - IscR2 = 0)?
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1answer
48 views

Incremental Circuit Of This Amplifier

Can anyone explain to me the incremental equivalent circuit of this amplifier? the solution is this : I have some trouble understanding the resistor RB placement and also the Resistor R1 and R2.
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3answers
73 views

Thevenin's equivalent

Rth = (10+10)||5+16=20 ohms. I think the Thevenin's equivalent voltage is across the 5 ohms resistor which was found to be 11.2 volts Applying nodal analysis but the answer is supposed to be -16.4 ...
3
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1answer
82 views

Norton equivalent with a single voltage source

I'm trying to find the Norton equivalent with respect to the load resistor RL for the DC circuit below. Each of the resistors have an equal resistance R. Removing the load resistor, I am having a ...
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2answers
354 views

Are there any cases that Source Transformation method can not be applied?

When I tried to use Source Transformation method on the 12 V voltage source the problem gave me a wrong answer. If I transformed the 2 A current source it works just fine. My question here, Is there ...
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4answers
100 views

If we are finding the Thevinin equivalence of the following circuit, Are the inductor and the capacitor in series?

If we are finding the Thevinin equivalence of the following circuit, Are the inductor and the capacitor in series? I should be looking from the 36 OHM resistor right?
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1answer
86 views

Calculate current of resistor with Norton's Theorem

I have a problem with the following circuit: simulate this circuit – Schematic created using CircuitLab I have to calculate the following data using Norton's theorem: \$R_n\$ \$A_n\$ \$I_{...
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1answer
31 views

Norton equivalent theorem

In norton equivalent theorem I don't get how I = in (I can be equivalent to in) Also I don't get how iN can be 2A How can I get iN? ""edit:** Then how come this In is 1A? What is the difference ...
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1answer
67 views

Why am I getting NaN and INF values for my Norton Equivalent Circuit

I am given this question I have 2 questions: 1) Is my work wrong? I am assuming so since I am getting some funky answers. If I am wrong, will you please point out what I should have done differently?...
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2answers
484 views

How to find the Voc for this circuit?

I've got the following: And I'm unsure how to find the voltage at this node so that I can use Voltage Divider to find the Open Circuit voltage. What should my approach be to find this voltage?
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1answer
558 views

Thevenin and Norton circuit analysis example

I have trouble solving the following problem, I have to find the Thevenin and Norton equivalent at the head of the R5 resistor: simulate this circuit – Schematic created using CircuitLab I ...
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2answers
105 views

How do i find Thevenin and Norton equivalent? [updated]

I tried calculating Vth, Rth and In but i am getting stuck at the V2 source. simulate this circuit – Schematic created using CircuitLab Can anyone explain why Vth=45?
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1answer
161 views

Thevenin and Norton Equivalents

I was trying to solve a simple electronics Thevenin/Norton equivalent problem, and I understand the concept as I solved many others correctly. However, I seem not to understand how this one can be ...
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4answers
2k views

Difference between load resistance and Thevenin/Norton resistance?

In the Norton/Thevenin theorem, what is the definite difference between the load resistance and Thevenin/Norton resistance? I cannot find any sources defining the difference, all of the sources use ...
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4answers
79 views

Confusion over Norton equivalent problem

So I have two questions regarding this Norton equivalent circuit problem. My first question is regarding io. io is equal to the 1 volt divided by the 5 ohm resistor. Why does that current not split ...
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1answer
1k views

What is relevance of Norton's theorem over Thevenin's theorem

I am well aware of the importance (more appropriately, implication) of Thevenin's theorem in real-life circuits. Output impedance of amplifiers and the 'stiffness' of a power supply (such as the ...
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1answer
315 views

Use of Norton theorem to find short circuit current

In the given circuit, while finding Norton or Short circuit current, we short terminal A and B. So I have assumed that is(t) = short circuit current. Is it correct to assume so? I did it because as ...
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3answers
141 views

Open Circuit Voltage Calculation

I am trying to find out why this system: should have an Open Circuit Voltage of: \$U = U0 + I0*R2 + 0*R3\$ \$ = U0 + I0R2\$ I understand why the R3 component doesn't change anything but I fail ...
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2answers
726 views

How to simplify a circuit with ideal current source and ideal voltage source?

I'm currently trying to gain an understanding of Thévenin and Norton equivalent circuits and I've run into a circuit I simply don't understand. I've been researching online, but I've just run into ...
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2answers
145 views

r equivalent and Norton equivalent

Can anyone explain how Norton equivalent resistance and R equivalent which is equivalent resistance of network are different in this circuit .
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4answers
225 views

I do not completely understand the intuition behind equivalent sources used in source transformations

My book states that two circuits can be considered equivalent if they produce the same voltage and current in any resistor connected to the two ends of the circuit. The book then goes about proving ...
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1answer
2k views

Conditions for Thevenin and Norton non-existance

It's not clear to me when a Thevenin or Norton equivalent cannot be produced for a given linear circuit. Can anyone help me with a clear definition? Thanks!!
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2answers
92 views

Thevenin equivalent (verification of answer)

\$ R_{TH} = R1 + R2//R5 + R3//R4\$ Then considering the current source and the resistance R3 as a Norton circuit, one can convert it to Thevenin as follows \$V_I = -IR3\$. Then we have the voltage ...
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2answers
102 views

Thevenin to Norton transformation question

I know that I can simplify the circuit below by finding a voltage source + resistor combination and transforming that into a Norton equivalent, but in this case, I can apparently combine the two ...
0
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1answer
246 views

Simple amplifier circuit, norton, thevenin questions

I have the above circuits and I have some questions related to them: I drew above the Norton and Thevenin equivalents where \$R_{no}\$ is the resistance of the whole amplifier circuitry, excluding ...
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5answers
119 views

Not able to solve Thevinin voltage

I am trying to solve this circuit.Can you please tell me if I am in the correct direction.
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1answer
1k views

Current through a short circuit in the Wheatstone Bridge configuration

The task was to replace part of a circuit with corresponding Norton's generator. To calculate the current of the generator, I had to calculate the current going through the short circuited nodes 1 and ...
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1answer
53 views

Inconsistencies between my Nortons and Thevenins equivalent circuits

Disclaimer i am sure this is super simple, but i am a complete novice to electronics. I am trying to create thevenins equivalent circuit. For VTH i have been calculating IOC which I believe to be, 12(...
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1answer
266 views

v-i characteristic

I have no idea how to tackle this one. can anyone help?
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1answer
4k views

Norton equivalent with dependent source

The figure above illustrates a circuit with VCVS and its Norton equivalent model as seen from Port B. Given that Vo=5V,A=2,R1=1Ω,R2=3Ω,R3=5Ω, determine the Norton current IN and Norton resistance RN ...
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1answer
113 views

How to go on from here (Thevenin circuit)?

Basically, I've discovered the "total" resistance, being 6/11 Ohms. Same resistance would be found in Norton's circuit. Now, I know that the sum of all voltages should be zero. I was thinking to go ...