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9.7a
@eview & Summary
_ Magnetic Flgx The magnetic ux (DB through an area A in a
ag-heme eld B is dened as
1), = J, E - dZ, (30-1)
where the integral 15 taken over the areaThe SI unit of magnetic
ux is the weber, where 1 Wb 2 1 T 1112. If :3, is perpendic
loop. The idea of a displacement current allows us to retain the
notion of continuity of current through a capaCitor. However, dis-
placement current is not a transfer of charge
Maxwells Equations Maxwells equations, displayed in
Table 32-1, summarize ele
page1
day 1
AP Physics
Introductions, Rules, Books,
day2
after the first day we will have a 6-7 day calculus review session. If you are advanced in
calculus (BC students) this would be the time to explore E&M sections.
Ch 3-1,3-2 Vectors, Graphical method
AP Formula page
Vectors (ch. 3)
r
r
r
r
a ax i a y j az k - unit vector notation for a vector
r r
a b ab cos ax bx a y by az bz = scalar
r r
a b ab sin = magnitude of vector, (direction given by the RHR)
r
i
r r
a b ax
bx
r
j
ay
by
r
k
az = gives directio
@eview & Summary
' Magnetic Field E A magnetic eld 13" is dened 111 terms of the
0ch F3 acting on a test parhcle with charge q moving through the
eld with Velocity 17' :
F; = q? X E).
The SI unit for 35. is the tesla (T): 1 T = 1 N/(A -m) = 104 gauss.
(28
708
CHAPTER 24 ELECTRIC POTENTEAL
involves only the motion of the particle through a potential
difference:
Vii.PP = (1 AV (for IQ = Kf). (24-12)
Equipotential Surfaces 'Ihe paints on an equipotential sur-
face all have the same electric potential. The wor
,Field Due to a Charged Disk The electric field magnitude
j at a point on the central axrs through a uniformly charged disk 15
_L _Z_. _
E zen (1 m) (2226)
awhere z is the dlstance along the axis 'om the center of the disk, R
his the radrus of the disk, a
E.
@eview & Summary
.Emf An emf device does work on charges to maintain a potential
dlfference between its output terminals. If dWis the Work the device
does to force posrtive charge dq from the negative to the positive ter-
minal, then the emf (work per
cfw_(5
l
l
juesons
1 Figure 21-11 shows
four situations in which
ve charged particles are (2)
evenly spaced along an +8 +8 +6 9
was The charge values (3)
(1)
are indicated except for _e _e +3 +3
the central particle, which
has the same charge in all cfw_4
764
where E is the magnitude of the applied electric field. The SI unit
of resistivity is the ohm-meter (.0. - m). Equation 26-10 corresponds
to the vector equation
E 2 p7. (2611)
The resistance R of a conducting wire of length L and umform
cross section
gure, are capacitors 1 and 2 1n parallel? (c) Rank the equivalent
Capacnances of the four circuits shown in Fig. 2519, greatest first.
4 Figure 25-20 shows three circuits, each consisting of a switch
- and two capacitors, initially charged as indicated (t
Z checkpoint 4
QUESTIONS 677
we gure shows two large, parallel, nonconducting sheets with identical (posi ' 1
; ave) uniform surface charge densmes, and a sphere with a uniform (positive) .
volume charge dens1ty. Rank the four numbered pomts according to
g
V.
@uestions
J 1 Figure 29-24 shows three circuits, each consisting of two radial
lengths and two concentric circular arcs, one of radius r and the
" other of radius R > r. The circuits have the same current through
them and the same angle between the t
Boat Lab
Zachary Dawson
Procedure
For this lab we used a combination of duct tape and untreated cardboard in an attempt to
create a boat that would float us across the pool and back in the least amount of time. We were
allowed one normal sized roll of duc
Welcome to AP Physics
Mr. Paul Haiducu, Room ALC 231
SUPPLIES: Without exception, you should have the following items with you every day:
1. three ring binder (with at least three sections: notes, homework, labs/activities)
2. textbook (in class use only,
Procedure
For this lab we used 5 large coffee filters, a motion sensor, a timer and computer data
software. To get the data that we needed, we placed the motion sensor on the ground and dropped
the coffee filters so that they landed atop the motion sensor
Procedure
For this lab we used an angle table with weights, string, and 3 pulleys. To accomplish our
task, we put the pulleys at random angles around the table and placed weight on the strings such
that the ring in the middle of the angle table was not to
Chapter 4
Physics Feedback
Zachary Dawson
Period 1
I learned a lot by going through chapters 5/6. I remembered doing things like this in
Honors, but I did not remember some of the smaller details and learned other details that I simply
didnt know coming i
Chapter 4
Physics Feedback
Zachary Dawson
Period 1
I learned a lot by going through chapter 2. I remembered doing things like this in Honors,
but I did not remember some of the smaller details and learned other details that I simply didnt
know coming into
Chapter 2 Physics Feedback
Zachary Dawson
Period 1
I learned a lot by going through chapter 2. I remembered doing things like this in Honors,
but I did not remember some of the smaller details and learned other details that I simply didnt
know coming into
Chapter 4
Physics Feedback
Zachary Dawson
Period 1
I learned a lot by going through chapters 7/8. I remembered doing things like this in
Honors, but I did not remember some of the smaller details and learned other details that I simply
didnt know coming i