Printed Name _
Signature _
Physics 151
Winter 2009
Exam #2
Show all your work for credit. Include correct units with numerical answers. All questions
about current are referring to conventional curren
Exam 2 Solutions 151 W08
1.
[5] Four positive point charges are fixed in place at the corners of a square. All four
charges have the same magnitude. The electric potential at infinity is defined to be
1
TODAY
Ch. 22: 8, 13
NEXT
Ch. 22: 4, 5
First WileyPLUS is due Thursday 11PM.
SI sessions running this week. Schedule on CTools.
2
Chapter 22
3
4
Isaac Newton (16431727)
5
Michael Faraday (17911867
1
TODAY
Ch. 22: 5, 6
NEXT
Ch. 23: 13
Electric Dipole assignment due by the start of
lecture next Monday. (Posted on CTools.)
Exam 1 is Monday, February 6, 7:459:00 PM.
It is in Room 1011 IAVS.
It co
Printed Name
Signature
Physics 151
Fall 2010
Exam #1
For full credit all work must be shown. For full credit all numerical answers must be in
decimal form with correct units.
/100
1. [10] Initially tw
1
TODAY
Ch. 22: 35
NEXT
Ch. 22: wrapup
Ch. 23: 13
WileyPLUS #2 due Thursday at 11PM.
Electric Dipole assignment due by the start of
lecture next Monday.
2
Neutral Insulator
+
+
+
+
+
+
+
+
The neut
Physics 151
Dipole Homework
Complete your work on this sheet, place your name in the upper right, and submit by the due time.
An electric dipole consists of two equal and opposite charges q = 3.25 1
Printed Name _
Signature _
Physics 151
Fall 2008
Exam #1
Show all your work for credit. Include correct units with numerical answers.
Score _/100
1.
Consider the small positively charged particle show
Printed Name _
Signature _
Physics 151
Winter 2008
Exam #1
Show all your work for credit. Include correct units with numerical answers.
Score _/90
1.
The diagram shows 4 charged spherical conductors (
Physics 151
Name _
In a square 2 m 2 m region of space the electric potential, V x, y, z , is well described by the function
V x, y, z Ax 2 y By . A and B and are constants with A 2.0 V m3 and B 3.0 V
1.
The diagram shows 4 charged spherical conductors (solid circles). The charge and radius
of each conductor is labeled in the diagram. [Note: The conductors are not interacting
with each other; consi
Printed Name _
Signature _
Physics 151
Winter 2009
Exam #1 Solution
Show all your work for credit. Include correct units with numerical answers.
Score _/80
1.
[5] The picture shows a pointer and scale
Printed Name _
Signature _
Physics 151
Fall 2008
Exam #1
Show all your work for credit. Include correct units with numerical answers.
Score _/100
1.
Consider the small positively charged particle show
Physics 151
Complex Circuits
Postlab Assignment
Name _
In Complex Circuits you continued your investigation of electrical circuits. Throughout the lab you used
the dc power supply to power your circui
1
TODAY
Ch. 21: 13, 56
Ch. 22: 8
NEXT
Ch. 22: 15
First WileyPLUS is posted. Due next Thursday.
Answers to all problems, even and odd, can be
found on CTools.
Monday is a holiday no class.
If you ha
Printed Name _
Signature _
Physics 151
Summer 2009
Exam #2  Solution
Show all your work for credit. All numerical answers should be in
decimal form with proper units.
Score _/160
1.
An ideal 24 V bat
Printed Name
Signature
Physics 151
Winter 2011
Exam #1
For full credit all work must be shown. For full credit all numerical answers must be in
decimal form with correct units.
/90
1. [10] Two lightw
Printed Name _
Signature _
Physics 151
Fall 2007
Exam #2
Show all your work for credit. Include correct units with numerical answers.
Score _/110
1.
[10] A parallel plate capacitor with only air (K =
Printed Name _
Signature _
Physics 151
Summer 2009
Exam #2
Show all your work for credit. All numerical answers should be in
decimal form with proper units.
Score _/160
1.
An ideal 24 V battery charge
1
TODAY
Ch. 23: 47
NEXT
Ch. 23: wrap up
Ch. 24: 10
Exam 1 is Monday, February 6, 7:459:00 PM.
It is in Room 1011 IAVS.
It covers chapters 21 and 22.
Text section coverage for Exam 1 posted in
Announ
1
TODAY
Ch. 26: 14
NEXT
Ch. 26: 47
This weeks lab, Simple Circuits, has a prelab.
Read 264 and 278 if you need help with
the prelab.
Capacitor
2
Capacitor

+
3
Capacitor

E
+
4
Capacitor

+
5
C
Physics 151
Electric Fields II
Prelab Assignment
Name _
The image on the last page is a map of equipotential lines due to some arrangement of charges. There are
21 distinct equipotential lines on the
Physics 151 F07 Exam 2 Solutions
1.
[10] A parallel plate capacitor with only air (K = 1) between the plates is charged by connecting it to a
battery. The capacitor is then disconnected from the batte
Printed Name _
Signature _
Physics 151
Summer 2008
Exam #2
Show all your work for credit. Include correct units with numerical answers. The word
current in a problem is a reference to conventional cur
1
TODAY
Ch. 24: 10
NEXT
Ch. 24: 14
Exam 1 is Monday, February 6, 7:459:00 PM.
It is in Room 1011 IAVS.
It covers chapters 21 and 22.
Lab 3, Electric Fields II, and prelab next week.
2
3
4
5
2V
4V
+
Printed Name _
Signature _
Physics 151
Winter 2009
Exam #1
Show all your work for credit. Include correct units with numerical answers.
Score _/80
1.
[5] The picture shows a pointer and scale similar
1
TODAY
Ch. 25: 5, 4
NEXT
Ch. 26: 14
Next Thursdays WileyPLUS has been posted.
Next weeks lab, Simple Circuits, has a prelab.
Read 264 and 278 if you need help with
the prelab.
2
How much electrica
1
TODAY
Ch. 28: wrapup
Ch. 29: Intro
NEXT
Ch. 29: 18
No prelab next week.
Exam 2 solution has not been posted yet.
2
Exam 2 Grade Distribution (N = 61)
Class Average: 76%
High Score: 90/90 (2)
25
20
Physics 151
Faradays and Amperes Laws
Prelab Assignment
Name _
In this weeks lab you will use an instrument called an oscilloscope. When first encountered the
oscilloscope is somewhat imposing. It has
1
2
Conductors and Insulators
Video 01.06
3
4
Picture from http:/www.ehs.utoronto.ca/services/radiation/radtraining/module1.htm
5
Conductors
(metals)
Atoms in a
conductor,
dont simply
form a large
clu
1
Video 03.03
2
Conductors in Electrostatic Equilibrium
The electric field in the interior of the
conductor and any empty cavity is zero.
Any interior chunk of the conductor is
neutral.
Only surfac
1
2
3
4
5
6
7
"Televison Hungarian ORION 1957" by Takkk  Own work. Licensed under CC BYSA 3.0 via
Wikimedia Commons http:/commons.wikimedia.org/wiki/File:Televison_Hungarian_ORION_1957.jpg#mediaview
1
Behind which black circle might you find a dipole?
A.
B.
C.

+
+
D.
 +

2
Behind which black circle might you find a dipole?
A.
B.
C.

+
+
D.
 +

3
Far from a dipole how fast does the field fa
1
2
This is a positively charged conductor.
y
x
The charge density at the surface near point x is:
A. greater than
B. less than
C. the same as
the charge density near point y.
3
This is a positively c