Questions tagged [series]
In the case of an electronic circuit, series refers to components connected in such a way that current must pass through each in a single path.
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Is this a series or parallel circuit? Why? [closed]
I don't understand if this is a series or parallel circuit.
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Equivalent impedance of a circuit
I'm trying to figure out the equivalent impedance of the right side of this circuit (so the capacity, inductance and right resistance) :
I see this result in the solution of my exercice:
But I don't ...
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How can I power a bulb filament with a mixture of series and parallel circuit?
I am trying to power a bulb filament that has a rating of 3.0 V and 2.5 A.
First I made sure the filament worked by powering it with a variable power supply and setting the voltage at 2.5 V:
This was ...
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If batteries are arranged in series in a closed circuit (I.e. with a load, which is constant) why doesn’t the current increase when voltage does?
I guess people have asked slightly similar questions to mine before, but I still haven’t been able to find a complete answer as to WHY the current doesn’t increase even when the voltage in a circuit ...
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SMPS transformer datasheet specifics
Here is an excerpt from a typical ferrite switching transformer datasheet:
This happens to be the Wurth 750311771.
Questions:
Two standard primaries are depicted on the left. This datasheet implies ...
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Calculating the voltage dropped in a series/parallel circuit
I’ve been trying to figure out a way to solve this problem to no avail. I think it’s got to do with a voltage divider or voltage dropped. I’ve seen a number of questions on this topic but never one ...
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Are two capacitors connected together considered to be parallel or series?
If both ends of two capacitors are connected to each other but in such a way that the positive end of one capacitor is connected to the negative end of another capacitor, do we say that the capacitors ...
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Can I use two voltage regulators connected in series?
For my project I'm using 2 regulator, 8V (UBEC) and 5V (LM2596). What is a better idea, connect them in series or parallel?
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Why does voltage end up dropping in a voltage divider circuit?
Consider the following situation - A simple series circuit with a 10 V power source and two 5 Ω resistors
I know that a voltage drop of 5 V would occur at each resistor due to Ohm's law and the ...
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Add additional LED to illuminated momentary power switch
I am using a microcontroller-based 5V input, 5V ouput power-switch (PetrockBlock) for my Raspberry Pi project. It provides pins for a power switch and for a power status LED. I am using a momentary ...
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Can series capacitors reduce guitar cable capacitance without signal loss?
Recently, I was reading about a so-called zero capacitance guitar cable pitched to eliminate resonant frequency shifts when using higher impedance passive guitar pickups. The company claims their ...
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How should I drive my LED panel of 200 diodes?
How should I drive my LED panel of 200 diodes?
Context
I'm making a board of ultraviolet diodes that will project light onto a photosensitive copper-clad board and etch a design on it with an LCD with ...
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How can I charge this battery mess? (Charging cells in series connected to cells in parallel)
I have two groups of cells, Group A and Group B.
Group A are 14 cells connected in series, with each having 1,5 V = 21 V.
Group B are 7 cells connected in parallel, with each capable of 3 A = 21 A.
I ...
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Power 2 120VAC transformers with 220vac
In reference to the following.
(Connecting the primaries of two 110V transformers in series across 220V)
Putting 2 identical 120 VAC transformers in series in US. Having 2 Hot's and 1 Neutral if I ...
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Achieve the same intensity with many LEDs
I want to ask question about intensity control of parallel LEDs.
How can I achieve the same intensity for all LEDs?
Here follows some details.
What I want to achieve is to light up 10 (or more) ...
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Avoiding power drop in LED strip lights
I am wiring a van and will be putting in ~25-30 feet of LED (RGB+W) strip lighting. My main power supply is a 300 Ah, 12 V battery. I am familiar with LED strips, dividing and connecting them, but I ...
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Parallel resistances in 'C' configuration
If we have three resistors, two resistors on two separate nets with a third resistor connecting these two branches together, how do you calculate their total resistance?
I thought the three ...
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AGM battery bank - series/parallel - uneven voltages
I'm setting up a DC battery bank
I have 6 X 170ah 12v AGM powersafe batteries
A Victron skylla 50amp/24v battery charger. And a 24v inverter that I'm yet to wire in
I wired 3 sets of 2 batteries ...
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I have limited understanding of circuit design and am thinking I need a constant current circuit to power 4x specialised LEDs in series/parallel
I have 2 strings of 4 LEDs connected in series and am thinking a constant current circuit due to the voltage drop and forward current requirements. Each LED has \$V_f\$ of 6.1v and requires \$I_f\$ ...
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RC series for a switching regulator compensation pin
I am using the Viva VP2140 switching regulator in my project.
How am I supposed to calculate the RC series into the COMP pin? I have in my project the circuit from the datasheet, first page.
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Question on NiMH battery circuit configurations
How do you calculate the total capacity (mAh) of batteries with unequal capacity when connected in parallel? Is it just simply the sum total of the capacities, or something else, like 4 times the ...
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Charging six 3.7 V, 9900 mAh lithium-ion batteries in series with a solar panel configuration
I am trying to build a system that charges three batteries in series that are 3.7 V each with 9900 mAh each.
I want four solar panels rated at 1 W, 6 V, and 160 mA each to charge the batteries. What ...
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Best efficiency - Series branches within parallel or parallel branches within series
If I were to wire 25 LEDs, providing them with enough voltage to run 2 diodes in series without any drop in light output, would it be better to run a parallel circuit with 2 LEDs per branch or a ...
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Can three 7Ah batteries be connected with one 22Ah battery?
I have three 7Ah 12V SLA batteries and one 22Ah 12V SLA battery. I want to make a 24V system.
Is it safe to connect three 7Ah batteries in parallel to form 7x3= 21≤ Ah and connect that in series with ...
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Resonance in a series parallel combination circuit
This lc circuit has capacitors in parallel and series with the inductor. What happens at resonance? Will it be parallel resonance, series resonance or can you have multiple resonances? Is the total ...
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How do I deal with this strange inductor?
I'm trying to solve for the equivalent inductance between terminals a and b but there's this 2 Henry inductor on the top right that doesn't fit with the basic rules of series and parallel connections. ...
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Actuator linking alternatives
I am working on a project that requires raising and lowering a static flexible rubber to a max height of 300mm from a zero, flat point.
My issue, other than the fact my expertise lies within other ...
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First cell in series connection gets charged first
I have charged ~20 packs of 4S batteries and I noticed that cell connected to + on charge circuit almost always is the one who gets charged first (reaches full voltage). Is this a coincidence or is ...
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TECs: parallel or series? [closed]
My project is regarding the cooling effect of TECs. I am from a mechanical background.
My question is: what happens when TECs are connected in series or in parallel? If one configuration is better ...
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Electronics Lab - Not measuring voltage drop across resistor connected in series with capacitor
I'm working on an RC circuits lab for school, and it stated to connect a circuit as follows: 15VAC in series with a 470-ohm resistor and 4.7uF capacitor and measure the voltage drop across the ...
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How do you solve for current or voltage in series circuit when you only have resistance total and P1? [closed]
Total resistance 900 ohm
P1 is 48mW
Needing I or V to solve the rest of the equation or power total
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Three diodes in series AC detection
Why, in the circuit shown here, would you put three diodes in series with one another instead of using one diode?
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Resistor losses in heat
I am trying to understand the power lost via heat (friction) from a resistor as opposed to what flows through and is available for the next component in series, and how I estimate this.
I have read a ...
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What happens when you discharge a capacitor in series with another capacitor?
I have been told that this is a bad situation, so I made a circuit diagram. Unfortunately I am not sure the simulator is going to tell me everything that I need to know.
Let's say I have a circuit ...
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Simple switch between 12V and 24V
I hope somebody can help me here.
I am helping my son build a 24V race car with his school. We have a speed controller that runs on 24V built by an electronics engineer who is no longer with us. The ...
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If the total resistance of the circuit is 5 Ω, determine the value of R3
So far I have answered question 1a and parts of b. This is my step by step process:
1a) P=IV
P = V/R x V
P = 20/10 x 20
P = 40 W
b) RT = 5, R1 = 10, R2 = 5; R3 = ?
let R3 = x
RT = 5+10+x
5+10+x = 5
...
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Series/Parallel Resistor Association
My question is very direct. I understand the definitions and formulas involved in the association of resistors in both series and parallel, but when solving the circuit below, I don't quite understand ...
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Can a voltage stabilizer with an offline UPS give the same performance as an online-UPS? [closed]
I have a 5.5 kVA offline UPS backing up a Bewoulf cluster. It works fine during a complete loss of grid power, but when the grid power flickers the cluster shuts down.
Assuming that this is because of ...
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Is it safe to use this arrangement of charging NiMH batteries in series and then using them in parallel?
I have built a solar charger that charges 6 AA NiMH rechargeable batteries in series using a constant current source at a little under C/10. That part is fine.
I want to use the batteries to power a 3 ...
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Transformers in series: Equal input/output voltage ratings, unequal power ratings
I am learning electronics and needed a negative rail. I have two transformers that have the same rated input/output voltages but different power ratings and manufactured by different companies.
...
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Can batteries be connected in parallel then in series then in parallel again?
I'm planning a modular and swappable battery system where each module is for example 12S2P (2 parallel Li-Ion battery connected in 12S.)
Can I connect two 12S2P modules in parallel making it a 12S4P ...
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Identify number of strings in Philips 14.5W LED PCB
Is it possible by just looking at the attached image whether the LEDs are in a single series circuit, or whether they're configured in series/parallel? The image is not great but I tried to highlight ...
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Series and Parallel Capacitors in Circuit Analysis
In the circuit below:
I performed my calculations considering:
$$\frac1{C_{eq}}=\sum_{k=1}^N C_k^{-1},$$
and
$$C_{eq}=\sum_{k=1}^N C_k,$$
when the capacitors are in series and when they are in ...
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Charging only the first battery in a series
I have a series of three 3.7v 600mAh LiIon batteries powering a ca. 12v circuit.
Currently, a DPDT switch rewires them into a parallel configuration when I charge them–each battery with its own ...
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Is it safe to connect inputs of two Power modules in series?
I need to convert a 600VAC to 24VDC in the most compact way possible to put on a PCB. Is it a promising idea to connect the inputs of two or three of the following modules in series to achieve it?
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What is the reason to connect 4 resistors of the same value as 2s2p? (image)
There are 2 parallel branches, each has 2x 10R resistor. It seems to me that the resulting value will be 10R, but I can't wrap my head around why would someone do this if it is not meant to dissipate ...
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12 V / 24 V power using series & parallel circuit of 12 V batteries. Is this viable?
Is this a viable layout?
The 12 V system is for everyday use on a boat. This boat system is 12 V. The charging is to the 12 V system.
There is no permanent 24 V system. The 24 V would only be used ...
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Is it possible to share a common 0VDC (negative) between three DC switch mode power supplies - when two of them are in series?
I have a system that needs a 96VDC and 12VDC feed to operate.
I have a pair of Meanwell RSP-3000-48 power supplies tied together in parallel to supply 96V and a single Meanwell HLG-240-12 supplying ...
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What is the result of wiring an electrolytic cap in series with a ceramic when parallel was intended?
FINAL UPDATE A reassessment of my power consumption has led me to the solution to all of my problems. I picked up a 5V, 5A power supply (giving me plenty of overhead), reassembled my project, and it ...
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Voltage on connected battery terminals
I have a series connected battery:
I would expect there is no voltage on upper terminals, but when I measured there was 0.2V.
Terminals are connected with screws and bus bar. I tried tightening the ...
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