Questions tagged [current-divider]
The current-divider tag has no summary.
42 questions
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Circuit with resistance along multiple paths and the current division rule
I'm developing a circuit puzzle for a video game and am running into confusion over how current is divided in my circuit. I want to know how the current is calculated at points A and B in the picture.
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Need help with current divider rule and transfer function in RLC circuit analysis
I have a question about the circuit analysis problem shown in the image.
I'm supposed to find the transfer function
H(s) using the current divider rule
(CDR). Here's my approach so far, and I'm not ...
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How to choose the proper value of resistors for current dividers
Edit: The original version of this question is malformed. There is an edit further down below with an updated explanation of the issue I'm trying to solve.
In a simple current divider, I know the ...
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How is current divided in this circuit?
A homework problem asked to find the current \$I\$(in the middle branch.) Using KVL in the loop on the left, \$I\$ comes out to be \$0A\$, which seem to say that none of the current from the voltage ...
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Does current prefer to take a series path over a parallel path?
simulate this circuit – Schematic created using CircuitLab
Based on the simulation I have done, current here prefers to take the C1 - R2 path first and once C1 is saturated and cuts off it then ...
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Current through combination of parallel and series resistors
I have created a simple example in order to understand what is going on with the current through combination of resistors (parallel and in series) in a electrical circuit. I ask my self to calculate ...
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Constant current power supply and 4 unique loads that I would like to individually control via PWM. Loads are to be driven at varying currents
I have a 1400ma constant current power supply (plenty of power to drive all loads at 100% duty), and I want to PWM 4 separate loads that are all driven optimally at either 350ma, 700ma, or 1400ma. The ...
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Current Division Question
I am trying to solve this current division question and I wanted to check if my work was correct.
I've tried applying equivalent resistance for the two parallel circuits to form 1 series circuit with ...
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How do I bias two OTAs without dividing the current?
I'm trying to achieve automatic gain control in an audio circuit, which requires me to use both diode pins of each amplifier available on the LM13700 chip. The diode pins accept a current (Idiode), ...
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Is it OK/Safe to use a parallel resistor to divide current driving an LED chip?
Still figuring out some fundamentals here, so forgive me if this is a newbie question, if I'm totally missing the mark, or if my math is incorrect (hoping to learn, even if this is all wrong).
I have ...
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Series combination of RL and RC circuits(AC Analysis) [closed]
While studying for my end-term exam through past year papers(of my college). I came across this question in which we need to do AC Analysis.
Need to find out the values of Resistor (R) and Capacitor (...
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Question of current with multiple current sources
Suppose we have this circuit:
simulate this circuit – Schematic created using CircuitLab
My question is this:How much is the current from I1 through R1? I guess it is 500mA because I2 is an open ...
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Calculating at which source voltage, Zener regulation begins
I've been trying to understand how to get to the voltage at the source with which the Zener starts limiting the voltage. Circuit and graph in the end.
The diode model used was from Motorola. The ...
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Can we explain the differential pair in terms of resistances?
It has always been a big challenge for me to find the most general ideas behind great circuit solutions that can be illustrated by simple electrical concepts... and even by non-electrical analogies ...
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Mesh Analysis with only current source.?
**Can we use mesh analysis and get current in 1ohm resistor....and is not then why? **
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Calculate current and voltage through resistors
I'm trying to get a better understanding of the voltage and current dividers.
The question for this circuit is:
What are the voltages and current through all the resistors?
I calculated the total ...
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Can i still calculate the \$I_3\$ without transforming norton to thevenin circuit?
Calculate the \$I_3\$ value,i know i can calculate the \$I_3\$ easily with transforming norton to thevenin circuit and KVL ,and i can know \$I_3=2A\$
simulate this circuit – Schematic created ...
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Current division and sign of currents
Consider the below circuit with it solution. We need to find the current io3.
My question is why we have a -ve sign in the equation of i03 ?
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How to divide the current after i transform the delta circuit to the Y circuit in this case?
The question wants me to find the \$I\$
Question figure:
Solution:
\$I=\frac{36}{4+2+3}-\frac{36}{6+2+4}=1\$,however,i don't understand why can it be written like that ,can anyone tell me the reason?...
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Why doesn't KVL work for the bottom loop?
I was doing a practice problem. I calculated the correct value for i_a = -2.4 A. But I used KVL on the bottom loop to get R, and got the inverse of the answer that I actually needed. My equation was -...
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Two 10ampere switch instead of one 16 ampere
I want to use two 10 ampere switchs for my 16amp appliance.What I will do is divide the input wire of the appliance into two,pass it from two individual 10 ampere switch and then recombine them and ...
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Using current divider to see how much current goes inside the plane when lightning strike
I am working on a project that requires me to understand how engineers do current analysis. The aircraft has a metallic body which provides a path for lightning when it strikes but what if there is an ...
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Can I use a current divider to protect my IC?
I designed an oscillator circuit using a TLC555 timer IC to create a 2 second pulse, which is used to drive a 12V 6W solenoid via a relay. Both the IC and the solenoid are run off of 12V, but every ...
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Why (physically) does a current divider circuit show that both resistors have an effect on individual current?
I understand both the current divider formula and why it is mathematically correct. I am curious though why physically this is true. My book provided me the following circuit:
simulate this circuit &...
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Find the current at the resistor
I've tried to divide current at 8A and then make a Kirchhoff voltage law between the resistor and dependent current source but I still can't solve it.
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How to find the current in this circuit?
Please help me find the current flow in A1,A2 and A3. its my First FEE class and I was able to solve this with voltage source but with current source Iam Having trouble.
also V1 and V3 are the ...
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In Parallel resonance circuit mentioned below, is current equal for Resistor and Inductor?
The parallel capacitor will have current leading voltage by 90°. In the case of Resistor and Inductor (which are in series with each other but they both are parallel to capacitor). Now, the upper half ...
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Dividing Current to 10 outputs from 5V source
I need to create a simple power supply circuit to feed 10 external boards, similar to a USB power hub.
My power source is an AC to DC adapter measured to output 5V 10A. I need to limit the maximum ...
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What is the current flowing through the resistor in this circuit?
I have to find the current flowing through the resistor connecting node a to d. I know it's a current divider problem, but I'm having a hard time finding the correct expression. I presume R5 is ...
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How can i find the current divider in the right resistor valued as "2 * R1"?
simulate this circuit – Schematic created using CircuitLab
My intention here is to find the current in the right resistor valued as "2*R1" using the current-divider formula. I don't know how to ...
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current divider problem
$$R_1=27kOhms ,R_2=56kOhms,R_3=50kOhms,V_s=5V$$
I'm trying to find the current thats flowing through R3, what i did was to convert the voltage source and resistors R1+R2 into a current source and then ...
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Finding current in s-domain. Please help?
I need to find the current going through the inductor \$(I_l)\$ for \$t>0\$ using Laplace circuit analysis, to then find \$(I_l)\$ in the time domaine.
simulate this circuit – Schematic ...
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Confusion over current divider rule
I asked a question here about calculating the resistance an unknown resistor using superposition.
As part of the answer I was given $$I_1=I_3\frac{R_2+R_i}{R_1+R_2+R_i}$$ and $$I_2=I_3\frac{R_1}{R_1+...
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Why does the current intensity decrease when I connect two voltage sources in series?
I actually connected lemons with batteries and I found that the voltage of lemon and the battery (i.e. the bottom left circuit) is 3.8V while the current intensity in the top left circuit is 0.1mA!
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Determing the voltage across a resistor
My professor went over this problem in class today, but I had trouble understanding it even after a few questions were asked.
The goal was to find the voltage, \$v_i\$ across the 8Ω resistor on the ...
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Did I correctly use the Voltage divider rule to derive the transfer function?
Question and diagram are on link and NOTICE Rs is assumed to be a short.
I believe the transfer function is going to be:
A(jw) = 1/(jw*C1*R3+1)
I arrived at this answer by using a simple voltage ...
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Current division with more than two parallel resistor
According to the current division rule, if two resistors R1 and R2 are parallel then \$ I_{R1} = \frac{R2}{(R1 + R2)} \times I \$ . In this case which resistance value should I pick for the ...
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Current Division Rule
I have the following circuit.They are simplifying the circuit and applying
current division
To use current division the incoming current should not have a resistor in between,right?
But in this ...
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Current division into three branches
Please see the image below for the circuit. I am trying to find the currents through each branch in the circuit. However one part, which is essential in finding currents through all the branches, ...
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Why am I calculating a higher current through this inductor than is being supplied?
I'm trying the find the current (using phasors) through the inductor shown below.
Using the current divider rule, I got that 840+j480 uA are going through the inductor. Additionall, by Kirchoff's ...
user88062
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Possible calculation error using current divider rule on a non ideal current source circuit
I am going through my notes in preparation to an exam, the following was taken straight from the board as my lecturer wrote it.
As far as im aware the current divider rule should be $$I1 = It * (Rt/...
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Current divider rule calculation issue
I'm doing the exercises from Wisc-Online. This one
I think they are really great to learn and practice and have already done a bunch of their practical trainings. But here I'm starting to be crazy. I ...
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