Difference between revisions of "Engineering Analysis 3"

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'''EA3 System Dynamics, Spring Quarter 2025'''
'''EA3 System Dynamics, Spring Quarter 2026'''


This wiki page: [https://tinyurl.com/ea3nu tinyurl.com/ea3nu], or just google "NU EA3" or "Northwestern EA3" and it will come up near the top.
This wiki page: [https://tinyurl.com/ea3nu tinyurl.com/ea3nu], or just google "NU EA3" or "Northwestern EA3" and it will come up near the top.
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Each section covers the same material, at approximately the same pace, following the same readings from the web textbook (below), though each instructor's lecture notes and teaching style may be different. All sections have the same homeworks, due the same time and day. The quizzes in each section will be different. You may go to a discussion section you are not registered for if there is room in the room.
Each section covers the same material, at approximately the same pace, following the same readings from the web textbook (below), though each instructor's lecture notes and teaching style may be different. All sections have the same homeworks, due the same time and day. The quizzes in each section will be different. You may go to a discussion section you are not registered for if there is room in the room.


* Section 20: Lecture 10-10:50 MWF Annenberg G15; TA-led discussion Tuesday, Annenberg G15
* Section 20: Lecture 10-10:50 MWF
** Instructor: Prof. Kevin Lynch, kmlynch@northwestern.edu
** Instructor: Prof. Kevin Lynch, kmlynch@northwestern.edu
** TAs:
** TAs: Pranav Kaarthik, pranav.kaarthik@northwestern.edu; Ayesha Ahmed, ayesha.ahmed1@northwestern.edu
* Section 21: Lecture 11-11:50 MWF Annenberg G15; TA-led discussion Tuesday, Annenberg G15
* Section 21: Lecture 11-11:50 MWF
** Instructor: Prof. Cheng Sun, c-sun@northwestern.edu
** Instructor: Prof. Manohar Kulkarni, manohar.kulkarni@northwestern.edu
** TAs:
** TAs: Ke Yu, ke.yu@northwestern.edu; Jiaxin Hu, jiaxin.hu@northwestern.edu
* Section 22: Lecture 1-1:50 MWF, Annenberg G15; TA-led discussion Tuesday, Annenberg G15
* Section 22: Lecture 1-1:50 MWF
** Instructor: Prof. Jeremy Keys, jeremy.keys@northwestern.edu
** Instructor: Prof. Jeremy Keys, jeremy.keys@northwestern.edu
** TAs:
** TAs: Jiaqi Liu, jiaqi.liu2@northwestern.edu; Wisdom Akpan, wisdom.akpan@northwestern.edu
* Section 23: Lecture 2-2:50 MWF, Annenberg G15; TA-led discussion Tuesday, Tech L211
* Section 23: Lecture 2-2:50 MWF
** Instructor: Prof. Manohar Kulkarni, manohar.kulkarni@northwestern.edu
** Instructor: Prof. Cheng Sun, c-sun@northwestern.edu
** TAs:
** TAs: Shuozhen Zhao, shuozhen.zhao@northwestern.edu; Dhruv Banerjee, dhruvbanerjee2028@u.northwestern.edu


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'''Instructors'''

[[image:EA3-instructors-s2024.jpg|500px]]

'''TAs'''
'''TAs'''


[[image:EA3-TAs-s2024.jpg|700px]]
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==Office Hours==
==Office Hours==
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|}
|}


Office hours are subject to change. Please check the schedule before going to office hours to get the latest information.
Office hours are subject to change. Please check the schedule before going to office hours to get the latest information. Office hours are not offered in time slots that are blank or marked with an x.


==Course Summary==
==Course Summary==
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'''Prerequisite:''' a C- or better in EA2.
'''Prerequisite:''' a C- or better in EA2.
<!--
Contribution to
* mathematics and basic sciences: 80%
* engineering topics: 20%
* general education: 0%
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==Course Policies==
==Course Policies==
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Provost's [https://www.northwestern.edu/provost/policies-procedures/classwork-curricular-policies/accommodations-for-religious-holidays.html statement] on accommodations for
Provost's [https://www.northwestern.edu/provost/policies-procedures/classwork-curricular-policies/accommodations-for-religious-holidays.html statement] on accommodations for
[https://www.northwestern.edu/religious-life/explore-our-programs/religious-holidays.html religious holidays].
[https://www.northwestern.edu/religious-life/explore-our-programs/religious-observance.html religious holidays].


==Course Schedule and Quizzes==
==Course Schedule and Quizzes==
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Quizzes focus mostly on recent material (e.g., material not covered on previous quizzes), but they may require anything from the course up until the most recent homework.
Quizzes focus mostly on recent material (e.g., material not covered on previous quizzes), but they may require anything from the course up until the most recent homework.


Here are '''[[Media:EA3-past-quizzes-2025.zip|past quizzes]]''' with answers, for practice.
Here are '''[[Media:EA3-past-quizzes-2025-updated.zip|past quizzes]]''' with answers, for practice.


Partial credit may be awarded, so make sure your thought process is clear in your answer. If you just write an answer, and it is wrong, you will get no credit. If you just write an answer, and it is correct but it is not obvious to us where the answer came from, you may not get credit. We strive for consistency in awarding partial credit, so requests for more partial credit will not be considered. The only way to ensure full credit is to get the answer correct and to be clear about how you arrived at it.
Partial credit may be awarded, so make sure your thought process is clear in your answer. If you just write an answer, and it is wrong, you will get no credit. If you just write an answer, and it is correct but it is not obvious to us where the answer came from, you may not get credit. We strive for consistency in awarding partial credit, so requests for more partial credit will not be considered. The only way to ensure full credit is to get the answer correct and to be clear about how you arrived at it.
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If you are registered with Accessible NU for a testing accommodation, make sure to let your instructor know, and report to the following room 30 minutes before your normal class time on days of quizzes. This will be a low-distraction environment.
If you are registered with Accessible NU for a testing accommodation, make sure to let your instructor know, and report to the following room 30 minutes before your normal class time on days of quizzes. This will be a low-distraction environment.
* Monday April 28: location TBA
* Monday April 28: Tech C211
* Monday May 19: location TBA
* Monday May 19: Tech C211
* Friday June 6: location TBA
* Friday June 6: Tech C211


Because of the large size of the course, '''make-up quizzes are not offered'''. If you need an accommodation for an emergency, you will be directed to the undergraduate engineering office to make the request. If you have a scheduled, unavoidable, legitimate conflict, it is your responsibility to report it to your instructor '''at the beginning of the quarter'''.
Because of the large size of the course, '''make-up quizzes are not offered'''. If you need an accommodation for an emergency, you will be directed to the undergraduate engineering office to make the request. If you have a scheduled, unavoidable, legitimate conflict, it is your responsibility to report it to your instructor '''at the beginning of the quarter'''.
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===Electrical Systems===
===Electrical Systems===


'''[[Simulating circuits]]''' in LTspice
# [https://othello.mech.northwestern.edu/ea3/book/elec1_2007/Volt.htm '''Introduction''']: charge, current, voltage, batteries
# [https://othello.mech.northwestern.edu/ea3/book/elec1_2007/Volt.htm '''Introduction''']: charge, current, voltage, batteries
# [https://othello.mech.northwestern.edu/ea3/book/elec2_2007/Resistors.htm '''Resistors''']: constitutive law (Ohm's law), meter polarities, power, Kirchhoff's laws
# [https://othello.mech.northwestern.edu/ea3/book/elec2_2007/Resistors.htm '''Resistors''']: constitutive law (Ohm's law), meter polarities, power, Kirchhoff's laws
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* [https://othello.mech.northwestern.edu/ea3/book/summary/scientists.html '''Famous scientists (in EA3)''']
* [https://othello.mech.northwestern.edu/ea3/book/summary/scientists.html '''Famous scientists (in EA3)''']


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* '''Mode analysis'''
** Example 1
** Example 2
** Example 3
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'''CLICK HERE FOR [[Engineering Analysis 3 (Archive 2025)]]'''

Latest revision as of 12:17, 5 January 2026

EA3 System Dynamics, Spring Quarter 2026

This wiki page: tinyurl.com/ea3nu, or just google "NU EA3" or "Northwestern EA3" and it will come up near the top.

Instructors, TAs, and Sections

Each section covers the same material, at approximately the same pace, following the same readings from the web textbook (below), though each instructor's lecture notes and teaching style may be different. All sections have the same homeworks, due the same time and day. The quizzes in each section will be different. You may go to a discussion section you are not registered for if there is room in the room.

  • Section 20: Lecture 10-10:50 MWF
    • Instructor: Prof. Kevin Lynch, kmlynch@northwestern.edu
    • TAs:
  • Section 21: Lecture 11-11:50 MWF
    • Instructor: Prof. Manohar Kulkarni, manohar.kulkarni@northwestern.edu
    • TAs:
  • Section 22: Lecture 1-1:50 MWF
    • Instructor: Prof. Jeremy Keys, jeremy.keys@northwestern.edu
    • TAs:
  • Section 23: Lecture 2-2:50 MWF
    • Instructor: Prof. Cheng Sun, c-sun@northwestern.edu
    • TAs:


CLICK HERE FOR Engineering Analysis 3 (Archive 2025)

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