Questions tagged [current-divider]

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2
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1answer
73 views

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 ...
3
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2answers
158 views

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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0answers
33 views

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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4answers
82 views

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 ...
0
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2answers
46 views

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 ...
0
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1answer
41 views

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 ?
-1
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1answer
60 views

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 ...
0
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1answer
45 views

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 -...
0
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2answers
86 views

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 ...
0
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0answers
54 views

Superposition principle with current divider

Can somebody explain to me how can I use a current divider in a linear circuit with two current sources? I understand that the given source is linear, so we need to apply the superposition principle. ...
0
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0answers
35 views

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 ...
2
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2answers
140 views

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 ...
-1
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2answers
259 views

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 &...
-1
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1answer
74 views

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.
0
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2answers
71 views

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 ...
0
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1answer
355 views

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 ...
0
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3answers
115 views

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 ...
0
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1answer
93 views

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 ...
0
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1answer
81 views

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 ...
0
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2answers
151 views

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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2answers
318 views

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 ...
0
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1answer
1k views

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+...
0
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1answer
118 views

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! ...
3
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6answers
718 views

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 ...
0
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1answer
420 views

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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5answers
38k views

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 ...
-2
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1answer
543 views

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 ...
0
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1answer
552 views

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, ...
2
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2answers
121 views

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 ...
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2answers
581 views

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/...
4
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4answers
1k views

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 ...