Midterm Is Tues. Feb. 25
Review Sheet handed out in class.
http:/www.physics.sfsu.edu/~chris/physics121/MT1review.pdf
Bring:
Calculator, Scantron type 882-E
1 page of hand written notes/formulas.
(constants will be provided.)
HW Due tonight
HW Posted: G
Reading
Chapter 20
Optional Reading: p. 709-714: (Dielectrics)
Homework due Tonight
@11:59PM
HW Solutions will be posted in glass case outside
Room: TH 124
Capacitor
Two charged plates,
one positive and one
negative, will produce a
uniform electric field.
Homework
Homework is due Thursday via webassign.com
(If you have not yet registered, use the access code
given in the syllabus)
Ofce Hr.: Today 3-4 PM TH 520
Help Sessions: Thursday 2:30-3:30 PM in TH230
EXCEPT this week: 2:00-3:00 PM in TH230
Reading
Fin
Enrollment Update
Permit #s for 122 have been given out. Please use
yours today
If you did not get one:
1. Do to meet the prereqs.? (Give me a copy of your
transcripts)
2. Did you ll out the on-line form?
3. Did you put as many lab sections as possible on
Homework #2 Due Thursday
Question 6 is optional (0 points)
Danger High Voltage!
After saving your friends life by warning him away
from this High Voltage device, your friend asks.
What is Voltage anyway?
Voltage.
Is the energy (in Joules) that a unit of (
Electric Current Summary
Midterm Is Tues. Feb. 25
Review Sheet available
The voltage of a battery is its EMF E
Current = ow of positive charges.
They have high potential energy when near the + pole.
They are repelled by the batterys + pole.
So they mov
Faradays Law of Induction
Chapter 23
Faradays Law of Induction
Optional Reading: Sec. 8,9,10
RL Circuits
Energy Stored in a Magnetic Field
Transformers Reading: Sec. 8,9,10
Optional
RL Circuits
WARNING: Homeworkin a Magnetic Field
Energy Stored Assig
Update
Midterms will be returned Thursday.
Solutions posted outside TH 124
Average score on Scantron: 4/8
Next HW: Due Thursday
#1 (22.CW.002): Ignore E field of the electron itself
Office Hours Tuesdays: New Time/Place
2-3 PM Annex II
Midterm
#1
#3 Super
MT Solutions posted (1st floor TH)
MTs returned next week.
Homework #4 Due Next Thursday.
Help Session Today TH 230 (2:30 PM)
Kirchhoffs Rules
All electric charge obeys two fundamental principles of
physics.
1. Conservation of Charge
2. Conservation of En
Physics 121
Instructor: Dr. Chris McCarthy
Sorry! This Class is Full! There is no room to
add students who are not currently on the waiting
list. :(
Most students on the waitlist will NOT be able to
enroll! :(
Enrollment in Phys 121/122 Lecture and Lab is