Physics 122: introduction to electricity and magnetism
University of Rochester, fall semester 2012


Photograph by Adam Block (KPNO)

Archive of features of current interest

How the class fared: statistics of the total scores and final grades, and discussions of interesting trends involving homework scores and the extra-credit problems on the Final Exam. (12-26-2012)
Click on the confused student at left to find the Practice Final. (12-15-2012)
Prepare for the final exam: question-and-answer-style review sessions will take place Friday, 14 December, and Sunday, 16 December, both 7:30-9:30 PM and both in 109 B&L. (12-12-2012)
Labs and homework being Done for the semester, this week's Workshops will focus on review for the benefit of students who need to bring their grade above the C- barrier. (12-03-2012)
Please complete the online Course Evaluation Survey, which is open until 21 December. (12-03-2012)
"B" labs are in session this week; homework #11, including the additional Challenge Problem, is due at the conclusion of workshop. (11-25-2012)
A snapshot of grades in PHY 122 as of Thanskgiving week, with approximately two homeworks, two workshops, one lab and the Final Exam to go. (11-25-2012)
No workshops or labs this week. No lectures in Lecture Section 1 (Regina's) either. Lecture Section 2 (Dan's) will be meeting as usual on Tuesday. (11-19-2012)
Exam #2: Tuesday, 11-13-2012, 8-9:15 AM, Hubbell Auditorium (141 Hutchison Hall). Also,"A" labs are in session this week; homework #10 is due at the conclusion of workshop. (11-11-2012)
Click on the confused student at left to find Practice Midterm #2. Other exam-review activities: review sessions Sunday and Monday, 6-8 PM, B&L 109, by the TAs, and Monday, 12-1PM -- the usual Monday lecture slot -- by Dan, substituting for Regina. (11-10-2012)
"B" labs are in session this week; homework #9, including the additional Challenge Problem, is due at the conclusion of workshop. (11-05-2012)
Several kinds of magnetic desk toys have been discontinued, for fear that the parts can be swallowed individually, and then magnetically assemble into dangerously large structures. (11-02-2012)
Be aware of the possibility of weather severe enough to cancel classes during the first few days of this week, due to the confluence of Hurricane Sandy and a strong winter storm. (10-29-2012)
"A" labs are in session this week; homework #8, including the additional Challenge Problem, is due at the conclusion of workshop. (10-29-2012)
"B" labs are in session this week; homework #7 is due at the conclusion of workshop. (10-22-2012)
Exam #1 statistics now included in that exam's Solutions, under the Exams tab. (10-16-2012)
Supercapacitors -- capacitors made with activated charcoal that have atom-sized effective electrode distances -- are poised to take market share from lithium batteries in some applications. (10-15-2012)
Please offer feedback to our TAs by filling out the online TA/TI Survey. Open now through 28 October. (10-15-2012)
Prof. Demina is out this week, and Prof. Watson will be lecturing in both sections. "A" labs are in session this week; homework #6 is due at the conclusion of workshop. (10-15-2012)
He was perfectly safe the whole time -- as is easily demonstrated using what PHY 122 students now know about electrostatics -- but David Blaine has decided to retire from "endurance art" after his 72-hour lightning exposure. (10-9-2012)
Practice Midterm #1. (10-10-2012)
No labs this week; workshops as usual. Pre-midterm reviews offered W 12-12:50PM and Th 2-3:15PM in Hoyt by the professors, and TuTh 6:30-8PM in B&L 109 by the TAs. (10-10-2012)
"A" labs in session this week; Homework #3 is due at the concllusion of your Workshop this week. (09-25-2012)
Homework assignment #2 is due at the conclusion of your Workshop session this week; "B" sections of the lab are in session.  (09-16-2012)
If you are in an "A" lab section but did not do Lab #1 last week, you must make it up this week. There will be no make-up labs at the end of the semester, and you must complete all the labs to pass the course. (09-16-2012)
The Physics 122 Study Group, led by Jiashu Li, meets every Monday at 7:30 PM in 310 Carlson. (09-16-2012)
The electric-field Java applet also does electric potential: shows equipotential surfaces and potential gradients (i.e. fields) for distributions of point charges. (09-16-2012)
Homework assignment #1 is due at the conclusion of your Workshop session this week.  (09-09-2012)
Labs start this week, if you are registered for one of the "A" sections. Next week, if you're a "B". (09-09-2012)
Here's a nice Java applet for visualizing electric fields and forces from point charges. (09-04-2012)
 
Extra help in PHY 122 is always available from the UR chapter of the Society of Physics Students (SPS).

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