PART 4 ELECTROMAGNETISM CHAPTER 23 ELECTRIC CHARGE, FORCE, AND FIELD
ActivPhysics can help with these problems: Activities 11.111.8 Section 23-2: Problem
1. Suppose the electron and proton charges differed by one part in one billion. Estimate the ne
CHAPTER 28 ELECTRIC CIRCUITS
ActivPhysics can help with these problems: Section 12, DC Circuits Section 28-1: Problem
1. Sketch a circuit diagram for a circuit that includes a resistor R1 connected to the positive terminal of a battery, a pair of par
PY 208N-008
Dr. Dougherty
sure you are in one of the required lab sectio 8L-229 to PY208L-244
ttp:/courses.ncsu.edu/py208n/lec/009/
Objectives for the Day: 08/20/08
1) Describe the course and how it will be run. 2) Explain why we need the concept
PY208N Name (print)
Fall 201 1
TEST 1, version A ID#
Time limit: 75 minutes for entire test
Closed book Section#
HONOR CODE
I have neither given nor received unauthorized aid on this test. Signed:
General information and instructions: On the blank Scantro
PY208 Exam 3 Fall 2014
1.
Suppose the primary coil of a transformer contains 600 turns of wire and draws 50 mA from a lZO—V ac
outlet. The secondary coil supplies 5.0-V for a cell phone charger. What is the number of turns of wire
and the current in the s
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PY208N
Fall 2009
TEST 3, version A
CLOSED BOOK
Name (print)
ID# 000
Section#
Part A. Multiple-Choice Questions (75%, i.e., 5 points for each question)
Instructions for Part A: Circle the best answer to each of these fifteen questions. You do not need to e
North Carolina State University
Name:
Department of Physics
Engineering Physics II (PY-208)
Test 3, Form: A
Student Number:
Section:
Date:
Part A. Multiple-Choice Questions.
(85 points, i.e., 5 points for each question)
Instructions for Part A: Find the b
207. PY208 /EXAM/ F02 001 ' 7 5"? '
An isolated conducting sphere has a net charge of +5 uC. The sphere 15 then grounded and kept grounded '
while a +5 11C point charge 15 brought near to but not touching the surface of the sphere. The final net I
charge
PYZOGITesttl/SOB version: 1 Spring 2003
1. Certain electromagnetic waves from outer space have a wavelength of 21 cm (0.21 111).
What is the frequency of these waves? In Hz,
(A) 1.6 x 10*
(B) 1.4 x 109
(C) 9.0 x 109
(D) 6.3 x 107
(B) 7.0 x 10-10
2. Two mi
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CHAPTER 27
Section 27-1: Problem
1.
ELECTRIC CURRENT
Electric Current
A wire carries 1.5 A. How many electrons pass through the wire in each second?
Solution
The current is the amount of charge passing a given point in the wire, per unit time, so
CHAPTER 26ELECTROSTATIC ENERGY AND CAPACITORS
Section 26-1:Energy of a Charge Distribution Problem
1. Three point charges, each of +q , are moved from infinity to the vertices of an equilateral triangle of side . How much work is required?
Solution
CHAPTER 24
GAUSSS LAW
ActivPhysics can help with these problems: Activities 11.411.6 Section 24-1: Problem
1. What is the net charge shown in Fig. 24-39? The magnitude of the middle charge is 3 C.
Electric Field Lines
Solution
The number of line
Objectives for the Day: 08/25/08
) Explain the concept of Electric Field. ) Calculate the electric field of discrete charge distributions. ) Introduce continuous charge distributions.
Example 1 from PS 2
harge of q1 is located at x= 0 and a charge q
CHAPTER 26 ELECTROSTATIC ENERGY AND CAPACITORS
Section 26-1: Problem
1. Three point charges, each of +q, are moved from infinity to the vertices of an equilateral triangle of side l. How much work is required?
Energy of a Charge Distribution
Soluti
Objectives for the Day: 08/27/08
) Calculate electric fields due to continuous charge distributions. ) Describe how electric fields influence charged particle motion. ) Review the idea of a dipole moment. ) Calculate the potential energy of a dipole
CHAPTER 25 ELECTRIC POTENTIAL
ActivPhysics can help with these problems: Activities 11.9, 11.10 Section 25-2: Problem
1. How much work does it take to move a 50- C charge against a 12-V potential difference?
Potential Difference
Solution
The poten
Office Hours:
Monday: 1:30 to 2:30 PM Thursday: 1:00 to 2:00 PM in Riddick 441 or by appointment!
My usual office: 155 Partner III on Centennial Campus
Homework: Short problem sets due pretty much every other day. Pay attention to the due dates li
Practice problems for Polarization
1. Two polarizers are oriented at 60 degrees to one another.
Unpolarized light with
intensity I0 hits the polarizers.
(a) What is the intensity after the light passes through the first polarizer?
(b) What is the intensit
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rear
Object is Insude focal pomt. Coh'EVCSYT?) 4%
a virtual upright image is formed.
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