My class schedule, question about Circuit Analysis

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Discussion Overview

The discussion revolves around the course Circuit Analysis, exploring its prerequisites, difficulty level, and connections to other subjects such as differential equations and linear algebra. Participants share their experiences and insights regarding the course structure and content.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant notes that Circuit Analysis is systematic, involving KVL/KCL rules leading to solvable systems of equations, and mentions the importance of neatness and intuition in solving problems.
  • Another participant questions whether Circuit Analysis is similar to Network Flow problems from Linear Algebra.
  • Some participants suggest that knowledge of differential equations may not be strictly necessary for the course, as the prerequisites only include Calculus 2 and concurrent enrollment in Physics 2.
  • One participant mentions that Laplace transforms and second-order ODEs will be encountered in RLC circuits, indicating that prior exposure to differential equations could be beneficial.
  • Another participant expresses relief that differential equations will be taught from the ground up, as they have not covered the topic in depth previously.

Areas of Agreement / Disagreement

Participants express varying opinions on the necessity of differential equations for Circuit Analysis, with some suggesting it is helpful while others believe the course can be self-contained without it. The discussion remains unresolved regarding the exact role of differential equations in the course.

Contextual Notes

Some participants highlight that the course may be manageable without prior knowledge of differential equations, while others emphasize that certain concepts will be introduced as if students have no prior exposure. This indicates a potential variability in course delivery and student preparedness.

Windowmaker
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Calculus 3
Physics 2
US History and the World
Circuit Analysis

I seen my friends struggle in Calculus 3, only to realize it was because of a poor foundation in the previous Calcs. They said Physics 2 was harder than 1 but more enjoyable in the lab. The history class is what i expect from any history class. My question is circuit analysis, has anyone had this class or know someone who had it? Thanks.
 
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The first course in Circuit Analysis is quite easy. Its very systematic in solving things. You take a circuit and apply KVL/KCL rules which result in a system of equations which you can solve using whichever method you like best. You'll learn some other tricks and such to maybe simplify this process for some circuits. If you have capacitors and inductors you'll end up with a system of linear differential equations. There are tricks to deal with this as well (phasor analysis which uses complex numbers) and integral transformations which you probably won't see in the first course of circuit analysis.

The hardest part is being neat and not missing tiny mistakes and to develop an intuition to reduce the amount of work you have to do.
 
Is it kinda like Network Flow problems from Linear Algebra, but with circuits?
 
Circuit analysis might be difficult before you've had differential equations, but if you work at it and pay attention, you will probably be fine.
 
The per-requistes for the course is just calc 2 and concurrency of physics 2. Why would I need to know differential equations?
 
Windowmaker said:
The per-requistes for the course is just calc 2 and concurrency of physics 2. Why would I need to know differential equations?

Laplace transforms come up a lot, and you will be solving second order ODEs when you encounter RLC circuits. That being said, if the prereqs don't demand it, the class is probably fairly self contained. I took Circuits after I was exposed to Diff Eqs, and it made the class very easy and understandable.
 
Interesting, guess I'll have to hit the books then!
 
If you do circuit analysis in the time domain for RLC circuits then you'll encounter a linear differential equation. The good thing is that there will only be 2 forms of this equations and the method of solving them is pretty simple and could be taught easily.

Laplace and Fourier Analysis is usually seen first in differential equation class but my circuit analysis courses taught them as if you've never seen them before. If you're class doesn't require the prereq I wouldn't worry about it (Mind did and I wouldn't call it a significant advantage).

I'm unfamillar with what a network flow problem is but wikipedia says "Flows can pertain to people or material over transportation networks, or to electricity over electrical distribution systems. For any such physical network, the flow coming into any intermediate node needs to equal the flow going out of that node. This conservation constraint was formalized as Kirchhoff's current law."

...so yea ^_^ (my linear algebra class had basic circuits as application problems)
 
Ok, well I've had a taste of what circuit analysis is going to be. I'm glad that the DE part will be taught as if we never seen it before, because I think I seen some DE stuff in my calculus book, but never covered it in depth.

Thanks for your reply!
 

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