Week 10 Quiz_1
A current carrying wire with current i=I0t2 is a distance a away from a wire square
of resistance R and side lengths L.
Find:
a) the flux in the square
b) the magnitude and direction of the indu
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P7D — Winter 2014  Sobel
' MIDTERM EXAM
VERSION A
PROBLEM POINTS
NUMBER Handy Equations Problem 1
A parallel plate capacitor of area A has the region between the
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P7D ~ Winter 2015  Sobel
FINAL EXAM
VERSION A
Problem Number Points Grade
# 1 I O
#2 10
#3 10
#4
#5
TOTALS Problem 1
A) The wire in the
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P7D —— Winter 2015  Sobel
FINAL EXAM
VERSION B
Problem Number Points Grade
.— #1 L 10 1 J
:3 4—» 13 #
—L —#
_1
L :4 1
UC Irvine Print Name: V w. in l
Physics 71) Student ID:
May 1, 2012 TA. Name:
Arnold Guerra III Discussion Section time 8: Place:
Midterm Examination Version B
The exam is closed book, closed notes, open mind. You may use one of the allowed calculators
a
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P7D  Winter 2015  Sobel
MIDTERM EXAM
VERSION B
Q 3‘ LA‘JI—‘l Q“ C _Pr_obl_e1_n_l
As shown in the ﬁgure, the space between the plates of a parallelplate capacitor is d
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DISCUSSION CLASS TA
P7D  Winter 2015  Sobel
MIDTERM EXAM
VERSIONA
SQI (AT7 Q h S Problem 1
Suppose that in some region, the electrostatic potential is given by a function:
V(x,y,z) = yz2 +2x2 (V o1ts)
a). Find expressions for the
§
2.
3
H 9° >1 .U + s» .Nm
7D Final Exam (Barwick) Spring 2013
(Do NOT open until instructed)
Version A
Name [Zia 2 A 9) (um/Mb} StudentID
Discussion Section Time
TA name
(Meghan, Alan, Yoonwoo )
MC Answers
(A LG;D E.F)
Some rules before beginni
The rst problem requires that you calculate the attractive force due to Coulomb, and
set the force equal to m*acceleration, where for centripetal acceleration in circular
motion, you know from 7C that m*acceleration=mv^2/a (since a is the radius of the
ci
Discussion 2_1
An infinitely long solid cylinder of radius a has a volume charge density
of = 4r. A conducting cylinder of radius b and infinite length surrounds
the cylinder, and has a uniform surface charge de
Week
5
Discussion

Capacitors
A)
Find
the
equivalent
capacitance
Cnet
by
using
the
rules
for
adding
capacitors.
B)
Suppose
we
have
a
circuit
with
a
single
capacitor
C4
connected
to
a
battery
of
voltage
V.
The
distance
Discussion:
1) A particle with mass m = 1.81 103 kg and a charge of q = 1.22 108 C
has, at a given instant, a velocity v = (3.00 104 m/s)j. (a) What is the
magnitude of the particles acceleration produced by a uniform magnetic
field B = (1.63 T)i + (0.980
Physics 7D Discussion 1
1) Find the electric field at point P.
2) Find the electric field at point P. Suppose a charge of Q is placed at point P,
find the net force on the Q charge placed at P.
Solutions:
1) Note by symmetry, the y component of the elec