# Tagged Questions

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### Steady State RLC Circuit With Dependent Current source

I'm trying to figure out the reason why in the following circuit, at steady state, the current ix is zero. My best guess is that because there is a parallel branch which by KCL should equal 100ix and ...
246 views

### Fundamentally knowing when to use capacitors / inductors [duplicate]

I've always stumbled when looking at even simple circuits that use capacitors or inductors and trying to work out why it is there, without using "past experience". What I mean is, if we need to limit ...
109 views

### Release of energy stored in Inductor and Capacitor

I havent had much experience working with inductors and i am fairly new to them. The question is how is the energy released from an inductor. Now if we had a capacitor circuit: Assume switch to be ...
90 views

### Offset phase angle of AC mains?

Using analog circuitry, is there a way to offset the phase angle of a single phase AC voltage while maintaining the same voltage?
96 views

### Finding the total energy of the network in steady state

i got a network below in steady state im trying to find the energy in the network by the capacitors and inductors. simulate this circuit – Schematic created using CircuitLab My attempt ...
180 views

### Why do different resistor values dissipate power at different rates in RL and RC circuits?

Physically what is happening here? RL My thoughts on this are that the inductor supplies a certain current, and current through a larger resistor dissipates more power. RC This one I'm not so sure ...
330 views

### Inductor equivalent of capacitor's charge

Because inductors share similar equations in their charging/discharging cycles, I am wondering if inductors have something like charge. Capacitors have capacitance and charge while an inductor has ...
458 views

### Getting Right parts and building ZVS flyback correctly

I recently built a 555 timer flyback driver. I used 2 IRFP450 MOSFET's in parallel to drive it and I got pretty good arcs. Something always seemed to fail, and I always was buying another 555 chip or ...
353 views

### Laplace Relation to Capacitors and Inductors

Can anyone recommend a good resource to understand how a capacitor works as an integrator and an inductor works as differentiator? I'm looking for something to show me how the laplace transform comes ...
316 views

### Discharging RLC. Kirchhoff's second law

I have been trying to solve this homework problem for who-knows how many hours. I could break it down enough as to specify the problem I'm facing into a single question: For the following circuit ...
179 views

### What are the components needed for this receiver?

I want to build a simple crystal radio receiver. I do not want amplify the signal received. I want to detect the presence of a transmitted signal, and then use the presence of the received signal as a ...
811 views

### About Resistor packages, inductor packages and capacitor packages

I want to know what is meant by Resistor, capacitor, and inductor packages. what are differnt catagories in them.
136 views

### calculating inductance formula

what is the formula for caculating inductance on the basis of 1)No of turns. 2)Diameter of the wire 3)Diameter of the wounded circle. ? how to calculate the capacitance value in ceramic capacitor ...
104 views

### 2 loads not working together on the same battery

One 12v car battery powers 2 loads. One load is 3.5A and the other is 100mA. The 100mA load is always on. When the 3.5A load gets switched on, scope readings show the amp draw momentarily dropping to ...
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### How do you directly determine the approx. value of internal resistance of inductor in LC circuit

According to my calculation, it will take 0.005 seconds to charge this circuit to 8 Volts through the 50 ohms resistor. Using $$V_c = V_s(1-e^{-t/RC})$$ How do you determine the effective ...
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### Behavior of RLC circuit elements at t = 0

I'm wondering what are the behaviors of the inductor, L, and capacitor, C, at t = 0+ Please correct my understanding of the above circuit if I am wrong. At t = 0, the capacitor acts like a wire. ...
154 views

### Deciphering Part Names in BOM

I need help deciphering a BOM that comes with a particular TI reference design. If you look at "Partlist.rep" in the zip file, it looks something like this [I've edited it down a bit]: ...
2k views

### how a phase delay occurs in capacitors/inductors with visual images

Capacitors provide a phase delay between the current and voltage. Current leads the voltage by 90 degree. I was taught these only with the equations. But I want visual intuition, what happens in the ...
1k views

### Can you store energy in an inductor and use it later?

My company uses supercaps to power the device if power is cut. I was wondering if you could do the same thing with an inductor. If you can't, why not?
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### How to implement and tune a LC band-stop filter?

I have designed a simple LC band stop filter with a center frequency of 433MHz. The schematic looks like: The caps are NP0 0603 and the inductors are from the Coilcraft 0603HP series. The values ...
455 views

### Are capacitors and inductors capable of absorbing positive power?

A resistor is capable of absorbing positive power. Why wouldn't this be true for capacitors and inductors?
187 views

### Why sine wave UPS triggering surge protector again and again

I recently open up brother's APC sine wave UPS to fix and trying to repair some damage that usually happen over time due to age by replacing components I suspect one by one. When I start doing AC ...
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### Norator in series with inductor/capacitor [closed]

I know that if I have a norator in series with a resistor, I can replace the resistor with a short circuit. My question is, if I can do the same with a linear inductor/capacitor?
389 views

### What do you call it when you add energy to an inductor?

When you add energy to a capacitor, you say that you are "charging it". This is kind of a misnomer, since the total amount of charge in the capacitor is the same, but whatever. (Actually, using ...
4k views

### Capacitors or Inductors?

So I know what they both do......but yet I don't know when you'd choose to use one over the other? There was a similar question on here, but the answer didn't really make sense to me (who is an ...
390 views

### Understanding when to use basic Components

So I understand AVR assembly for the most part, and generally understand the overview of microcontrollers. but when it comes to specific components (besides the obvious stuff like resistors/batterys) ...
7k views

### Inductor vs a capacitor

I'm a Trainee electrician and pc hardware enthusiast. I was just wondering why a mixture of inductors and capacitors are used on motherboards? Why not just use capacitor? I thought the inductor stores ...
1k views

### Plans / tutorial for sound effect generator using only analog components?

I've been wanting to make a laser gun sound effect attachment for my son's bike. Currently, I'm using the electronics salvaged from his old laser gun toys. All of them seem to use electronics hidden ...