Solve RLC Circuit Problem Homework

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Homework Help Overview

The discussion revolves around an RLC circuit problem, where participants are attempting to analyze the circuit behavior over time, particularly focusing on the charging of the capacitor and the role of the inductor as time progresses.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants are considering the implications of the circuit reaching a steady state, questioning whether to simplify the circuit by removing components, and discussing the use of Kirchhoff's law in their analysis.

Discussion Status

The discussion is active, with participants providing guidance on how to approach the problem, particularly regarding the treatment of the capacitor and inductor in the circuit. There is an ongoing exploration of different interpretations of the problem setup.

Contextual Notes

There are issues with image visibility, which may hinder understanding of the problem context. Participants are encouraged to embed images directly in the thread for clarity.

mathiscool1
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Homework Statement



http://imgur.com/a/3xSYb


Homework Equations


RLC equations:

q= Qmax e ^ -Rt/2L cos wd t

wd = [ 1/LC - (R/2L)^2] ^ 1/2

The Attempt at a Solution


So, I am trying using Kirchoff law, but not sure what the question asks.
I thought it may be a trick and after a long long time C will be fully charged and L will act as a simple wire, so it will be a simple circuit with Resistors.
 
Last edited:
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I canot see the image attached.
 
Alexanddros81 said:
I canot see the image attached.

I added a imgur link. Can you open it now?
 
Your image isn't showing up for me either and I see no link. Your best bet is to embed the image here directly, not with a link.
 
I don't know.
For me, there's a link and shows the image. Don't know how it's not showing.
 
mathiscool1 said:
I thought it may be a trick and after a long long time C will be fully charged and L will act as a simple wire, so it will be a simple circuit with Resistors.
Yes, the phrase "after a sufficiently long time" is a typical hint used in problems to refer to the eventual steady state conditions. Suppress the reactive components as you suggest and analyze the resulting resistor network.

mathiscool1 said:
I don't know.
For me, there's a link and shows the image. Don't know how it's not showing.
It is always better to load your images to our server here so that helpers do not have to follow off-site links to see your problem.

Off-site links have a tendency to get broken over time, or have their content removed, making their threads less than useful to future members seeking information.
 
Thank you.

Im in doubt should i remove the C and keep it as a RL circuit or both of them. Sorry my bad. I will add them properly
 
mathiscool1 said:
Im in doubt should i remove the C and keep it as a RL circuit or both of them.
Open (remove) the C and short the L.
 
mathiscool1 said:
I don't know.
For me, there's a link and shows the image. Don't know how it's not showing.
1ssnmTl.jpg
 

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