Questions tagged [norton]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
1answer
62 views

Norton Op-Amps advantages

I have been reading about Norton Operational Amplifiers, I get a good idea of how they work, even at the transistor level, I understand that difference current in = voltage output. What I have been ...
0
votes
2answers
48 views

Finding the current trough resistor in a closed mesh

In a closed mesh we have: simulate this circuit – Schematic created using CircuitLab The question is to determine the current through the 2nd resistor \$\text{I}_x\$. My work: I think of ...
1
vote
2answers
61 views

Solving Thevenin and Norton Circuit

simulate this circuit – Schematic created using CircuitLab How to solve this circuit for Thevenin and Norton circuit given RL in the circuit. My guess is to remove RL (open circuit). But I'm ...
0
votes
0answers
23 views

Solving for open ckt voltage and short circuit current

I am unsure if I did the KCL for node A for the short circuit diagram correctly. I used the ia value from the open circuit and used it to find iy. Please let me know if I am on the right path or if ...
1
vote
1answer
93 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 ...
1
vote
1answer
49 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 ...
1
vote
3answers
111 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 ...
0
votes
0answers
65 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 ...
0
votes
1answer
166 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 ...
0
votes
3answers
89 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
votes
3answers
81 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 ...
0
votes
3answers
57 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?
1
vote
1answer
58 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 ...
0
votes
2answers
102 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
votes
1answer
41 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-...
2
votes
1answer
54 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 ...
0
votes
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).
1
vote
1answer
46 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 ...
0
votes
2answers
105 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 ...
0
votes
1answer
54 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 ...
0
votes
1answer
160 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} ...
0
votes
1answer
32 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 ...
0
votes
2answers
51 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)?
1
vote
1answer
59 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.
0
votes
3answers
90 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 ...
2
votes
1answer
88 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 ...
0
votes
2answers
482 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 ...
-4
votes
4answers
112 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?
1
vote
1answer
105 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_{...
0
votes
1answer
32 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 ...
0
votes
1answer
76 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?...
-2
votes
2answers
703 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?
0
votes
1answer
655 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 ...
0
votes
2answers
112 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?
0
votes
1answer
172 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 ...
0
votes
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 ...
0
votes
4answers
83 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 ...
0
votes
1answer
2k 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 ...
0
votes
1answer
338 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 ...
0
votes
3answers
165 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 ...
0
votes
2answers
833 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 ...
-2
votes
2answers
150 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 .
2
votes
4answers
238 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 ...
2
votes
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!!
1
vote
2answers
95 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 ...
0
votes
2answers
105 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
votes
1answer
269 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 ...
2
votes
5answers
122 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.
1
vote
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 ...
0
votes
1answer
54 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(...