Chapter 27
Current and Resistance
Multiple Choice
1.
A rod of 2.0-m length and a square (2.0 mm 2.0 mm) cross section is made of a
material with a resistivity of 6.0 108 m. If a potential difference of 0.50 V is
placed across the ends of the rod, at what
Chapter 22
Heat Engines, Entropy, & the Second Law of
Thermodynamics
Multiple Choice
1.
A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work
in each cycle. The efficiency of the engine is
a.
b.
c.
d.
e.
2.
A gasoline engine abso
Chapter 37
Interference of Light Waves
Multiple Choice
1.
A laser beam ( = 694 nm) is incident on two slits 0.100 mm apart.
Approximately how far apart (in m) will the bright interference fringes be on the
screen 5.00 m from the double slits?
a.
b.
c.
d.
Chapter 31
Faradays Law
Multiple Choice
1.
A coil is wrapped with 300 turns of wire on the perimeter of a circular frame
(radius = 8.0 cm). Each turn has the same area, equal to that of the frame. A
uniform magnetic field is turned on perpendicular to the
Chapter 25
Electric Potential
Multiple Choice
1.
A charged particle (q = 8.0 mC), which moves in a region where the only force
acting on the particle is an electric force, is released from rest at point A. At point
B the kinetic energy of the particle is
Chapter 24
Gausss Law
Multiple Choice
1.
Two charges of 15 pC and 40 pC are inside a cube with sides that are of 0.40-m
length. Determine the net electric flux through the surface of the cube.
a.
b.
c.
d.
e.
2.
The total electric flux through a closed cyl
Chapter 32
Inductance
Multiple Choice
1.
What is the inductance of a series RL circuit in which R = 1.0 K if the current
increases to one-third of its final value in 30 s?
a.
b.
c.
d.
e.
2.
74 mH
99 mH
49 mH
62 mH
none of the above
For the circuit shown,
Chapter 33
Alternating Current Circuits
Multiple Choice
1.
An ac generator with peak voltage 100 volts is placed across a 10- resistor.
What is the average power dissipated?
a.
b.
c.
d.
e.
2.
An electric heater draws an average power of 1100 Watts when pl
Chapter 34
Electromagnetic Waves
Multiple Choice
1.
The Earth is 1.49 1011 meters from the sun. If the solar radiation at the top of the
Earths atmosphere is 1340 W/m2, what is the total power output of the sun?
a.
b.
c.
d.
e.
2.
If the radiant energy fro
Chapter 35
The Nature of Light and the Laws of
Geometric Optics
Multiple Choice
1.
According to Einsteins theory, the energy of a photon is
a.
b.
c.
d.
e.
2.
Light behaves like
a.
b.
c.
d.
3.
Rene Descartes.
Armand Fizeau.
Christian Huygens.
Ole Roemer.
J
Chapter 36
Geometric Optics
Multiple Choice
1.
A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where
in the mirror must he look to see his feet?
a.
b.
c.
d.
e.
2.
A concave mirror has a focal length of 20 cm. What is the posi
Chapter 30
Sources of the Magnetic Field
Multiple Choice
1.
One long wire carries a current of 30 A along the entire x axis. A second long
wire carries a current of 40 A perpendicular to the xy plane and passes through
the point (0, 4, 0) m. What is the m
Chapter 29
Magnetic Fields
Multiple-Choice
1.
An electron has a velocity of 6.0 106 m/s in the positive x direction at a point
where the magnetic field has the components Bx = 3.0 T, By = 1.5 T and Bz = 2.0 T.
What is the magnitude of the acceleration of
Homework assignment #2
(Due on Tuesday, 10/09/2012 in class)
Chapter 21
1)
The figure shows a pV-diagram for 0.0040 mole of ideal H2 gas. The temperature
of the gas does not change during segment bc. (a) What volume does this gas
occupy at point c?
(b) Fi
COURSE TITLE
Physics 2049, Section 802 General Physics II (with calculus)
INSTRUCTOR
Dr. Jiangfeng Zhou
MEETING TIMES/ LOCATION TR 5:00pm-6:15pm
OFFICE HOURS
ISA 1051
T 3:00pm4:30pm, R 2:00pm-3:30 pm, and by appointment
Location: ISA 4205, Phone: 813/974-
Chapter 18
Superposition and Standing Waves
Multiple Choice
1.
Two harmonic waves are described by
700
4
y1 = ( 3 m ) sin x
t
m
s
700
4
y 2 = (3 m) sin x
t 2
s
m
What is the amplitude of the resultant wave?
a.
b.
c.
d.
e.
2.
8.0 m
4.3 m
6.0 m
3.2 m
3.0
Chapter 19
Temperature
Multiple Choice
1.
In order to understand the concept of temperature it is necessary to understand
a.
b.
c.
d.
e.
2.
In order for two objects to have the same temperature, they must
a.
b.
c.
d.
e.
3.
68.3
1.8
31.8
11.8
8.5
A pressur
Chapter 20
Heat and the First Law of Thermodynamics
Multiple Choice
1.
Determine the heat capacity (in calories/C) of a lake containing one million
gallons (approximately 4 million kilograms) of water at 15C.
a.
b.
c.
d.
e.
2.
How many calories of heat ar
Chapter 21
The Kinetic Theory of Gases
Multiple Choice
1.
A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50C. If
the helium behaves like an ideal gas, the total energy of the system is
a.
b.
c.
d.
e.
2.
A container having a volume
Chapter 23
Electric Fields
Multiple Choice
1.
Each of two small non-conducting spheres is charged positively, the combined
charge being 40 C. When the two spheres are 50 cm apart, each sphere is
repelled from the other by a force of magnitude 2.0 N. Deter
Chapter 26
Capacitance and Dielectrics
Multiple Choice
1.
Determine the equivalent capacitance of the combination shown when C = 12 pF.
C
C
C
2C
a.
b.
c.
d.
e.
2.
48 pF
12 pF
24 pF
6.0 pF
59 pF
Determine the equivalent capacitance of the combination shown
Chapter 28
Direct Current Circuits
Multiple Choice
1.
At what rate is thermal energy being generated in the 2R-resistor when E = 12 V
and R = 3.0 ?
R
+
E
R
2R
R
a.
b.
c.
d.
e.
2.
12 W
24 W
6.0 W
3.0 W
1.5 W
At what rate is thermal energy generated in the
Chipola College Spring 2008 General Physics PHY 1054 Exam 2 Show all work detailing your problem solving method in order to receive full credit. 1. A battery is connected to the capacitor circuit shown below providing a potential difference of 215 V. The