Prepare for Ph.D Qualifying Exam in Electrical Engineering

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Discussion Overview

The discussion revolves around preparing for Ph.D. qualifying exams in Electrical Engineering, particularly focusing on the transition from a background in Applied Physics to Electrical Engineering. Participants share insights on relevant coursework, necessary knowledge areas, and practical experiences that could aid in preparation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant outlines their background in electromagnetics and relevant coursework, highlighting a strong foundation in advanced E&M topics.
  • Another participant identifies a potential gap in circuit theory knowledge, emphasizing the importance of understanding DC and AC circuits, non-linear devices, and feedback mechanisms.
  • There is a suggestion to take a power electronics class to better understand the control of larger power electromagnetic systems.
  • A participant mentions their practical experience with circuits as a hobby, noting that they have learned significantly from hands-on work that was not covered in their physics classes.
  • Participants discuss the use of circuit simulators as a tool for learning and experimentation, with one recommending LTSpice for its utility in circuit design.

Areas of Agreement / Disagreement

Participants generally agree on the importance of circuit theory and practical experience in preparation for the qualifying exams. However, there is no consensus on specific study materials or approaches, as individual experiences and backgrounds vary.

Contextual Notes

Some limitations in the discussion include the varying depth of knowledge among participants regarding circuit theory and practical applications, as well as the potential gaps in the original poster's preparation based on their physics background.

Xyius
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Hello,

So here is my story..

I will have a bachelors degree in Applied Physics in May. My favorite topic in Physics has always been electromagnetics so I have taken more advanced courses in EM theory than the typical physics student.

I got offered a job at Penn State (from a connection by my EM professor) and got a full fellowship to work in the EE department. I have switched my plans from getting a Ph.D in Physics, to getting one in Electrical Engineering.

I have compared the courses I took with the typical EE curriculum at my school and determined that my curriculum is a lot heavier in the DEPTH but their curriculum is a lot heavier in the BREADTH. What I mean by that is, I have taken a few graduate level E&M courses. These include two advanced E&M courses using Jackson as the textbook. I am also currently taking a course in applied antenna theory typically associated with 2nd or 3rd year grad students. I have taken courses in circuit design and I do circuit projects as a hobby in my free time.

My question is, taking all this in mind, what would I need to study to prepare myself for the qualifying exams? Below is a list of relevant coursework to E&M from my resume'.

RELEVANT COURSEWORK:
Spring 2013:
EE-787: Applied Antenna Theory
PEP-644: Advanced Electricity / Magnetism II
PEP-544: Quantum Mechanics I
PEP-398: SKIL IV
(SKIL IV Is a Laboratory class designed to teach measurement and laboratory techniques.)
Fall 2012:
PEP-643: Advanced Electricity / Magnetism I
PEP-553: Quantum Mechanics w/ Engineering Applications
PEP-397: SKIL III
(SKIL III Is a Laboratory class designed to teach measurement and laboratory techniques.)
Spring 2012:
PEP-542: Intermediate Electricity / Magnetism
PEP-298: SKIL II
(SKIL II is a laboratory course mainly focusing on circuit design.)
Fall 2011:
PEP-297: SKIL I
(SKIL I is a laboratory course mainly focusing on circuit design.)
 
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Congratulations - I am in PA and have worked on systems in Penn State - they have great advanced manufacturing lab and I was working with ABB which provided the robotics.
The biggest hole I see is circuit theory - DC and AC Circuits etc, non-linear devices, feedback. While not necessarily difficult topics ( you are obviously intelligent enough to comprehend), there is a lot to cover and come to understand. IMO these really need to be experienced to become competent - there are just so many different combinations. Its a practice sport...
I would also try to get into a power electronics class - since the larger power electro-magenetic systems are so often controlled by power electronics, so an understanding there should serve you well.
 
Windadct said:
Congratulations - I am in PA and have worked on systems in Penn State - they have great advanced manufacturing lab and I was working with ABB which provided the robotics.
The biggest hole I see is circuit theory - DC and AC Circuits etc, non-linear devices, feedback. While not necessarily difficult topics ( you are obviously intelligent enough to comprehend), there is a lot to cover and come to understand. IMO these really need to be experienced to become competent - there are just so many different combinations. Its a practice sport...
I would also try to get into a power electronics class - since the larger power electro-magenetic systems are so often controlled by power electronics, so an understanding there should serve you well.

Thanks for the reply!

I have always done circuits in my spare time as a hobby and I have learned a LOT that my physics classes did not cover. (Such as everything I know about Op-Amps) Recently I have been using a circuit simulators (Yenka and SolveElec) to expedite my circuit experience and help me learn. I can make circuits a lot faster and don't need to buy the parts. Granted it isn't as pleasurable to complete the circuit in the simulator but it has saved me a lot of parts that I would have accidentally burned out! :]
 
Hello Again X ...

That experience will be helpful, perhaps review some undergrad texts, and take some self tests to get a feel for what may be on the qual exams. Also - OP-Amps are good to know, but undergrads are taught HOW they work(internally), this uses some of the circuit tricks that are to be experienced. ( I have of course long forgotten this BTW)

As for the simulators - I suggest getting LTSpice - it's free from Linear Tech., Spice is de rigueur for EEs.
 
Thanks again!
 

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