PHYS102 Previous Exam Problems
CHAPTER
26
Current and
Resistance
Charge, current, and current density
Ohms law
Resistance
Power
Resistance & temperature
1. A current of 0.300 A is passed through a lamp (light bulb) for 2.00 minutes using a 6.00-V power
s
PHYS102 Previous Exam Problems
CHAPTER
21
Electric Charge
Charge quantization
Charge conservation
Conductors & insulators
Coulombs law
1. Particle 1 with charge q1, and particle 2 with charge q2 are on the x axis, with particle1 at x = 4.0 cm and
particl
PHYS102 Previous Exam Problems
CHAPTER
22
Electric Fields
Electric field
Point charge in an electric field
Electric dipole
1. Two identical charges, each of charge Q, are positioned at points A (5.0 m, 0.0 m) and B ( -5.0 m, 0.0 m) to
produce a net electr
PHYS102 Previous Exam Problems
CHAPTER
30
Induction
Magnetic flux
Induced emf (Faradays law)
Lenz law
Motional emf
1. A circuit is pulled to the right at constant speed in a uniform magnetic field with a 16-N force, as shown in
figure 2. As the circuit m
PHYS102 Previous Exam Problems
CHAPTER
29
Magnetic Fields
Due to Currents
Calculating the magnetic field
Forces between currents
Amperes law
Solenoids
1. Two long straight wires penetrate the plane of the paper at two vertices of an equilateral triangle,
PHYS102 Previous Exam Problems
CHAPTER
28
Magnetic Fields
Magnetic force on a particle
Crossed fields
Circulating charge
Magnetic force on a wire
Loops, dipole moment & torque
1. A particle (mass = 6.0 mg) moves with a speed of 4.0 km/s in the xy pl
PHYS102 Previous Exam Problems
CHAPTER
23
Gauss Law
Electric flux & Gauss law
Conductors in electrosratic equilibrium
Cylindrical symmetry
Planar symmetry
Spherical symmetry
1. A spherical conducting shell has charge Q. A particle with charge q is placed
PHYS102 Previous Exam Problems
CHAPTER
25
Capacitance
Calculating the capacitance
Combination of capacitors
Energy stored in capacitors
Capacitors with dielectrics
1. Given a 9.4-pF air-filled capacitor, you are asked to convert it to a capacitor that ca
PHYS102 Previous Exam Problems
CHAPTER
24
Electric Potential
Electric potential energy of a point charge
Calculating electric potential from electric field
Electric potential of point charges
Calculating electric field form electric potential
Work & Elec
PHYS102 Previous Exam Problems
CHAPTER
27
Circuits
Combination of resistors
Potential differences
Single loop circuits
Kirchhoff laws
Multiloop circuits
RC
circuits
General
1. Figure 1 shows two resistors 3.0 and 1.5 connected in parallel, and the combi
PHYS102 Previous Exam Problems
CHAPTER Electric Potential
24
Solutions to Selected Problems
B Electric Potential Energy of Point Charges in External Electric Fields
21. A proton moves in a uniform electric field of 2.5107 N/C from point A to point B by t
PHYS102 Previous Exam Problems
CHAPTER Capacitance
25
Solutions to Selected Problems
B Combinations of Capacitors
5. Figure 1 shows two capacitors C 1 = 30 F carrying a charge q 1 = 200 C and C 2 =
20 F carrying a charge q 2 = 900 C. If the switches S ar
PHYS 102 Chapter 17 Sound Waves Solved Exam Problems
1
Basics of
Sound
Waves
Problem 13 : wave speed
The intensity of a sound wave, of frequency 360 Hz, is
1.6 W/m2.
If the speed of sound in air is 343 m/s, what is the
displacement amplitude of the air mo
Review
Chapter 29
Magnetic Fields Due
to Electric Currents
1
Biot Savart
Law
Problem 17: straight wires
Two long wires parallel to the xaxis carry currents I1 and I2, as
shown in figure 17.
If I1 = 5 A, what is the magnitude
and direction of I2 if the net
Review
Chapter 20
Entropy & the
Second Law of
Thermodynamics
1
Entropy
Gases
Problem 7: free expansion
As shown , container A, of volume 1.0 L,
holds 2.0 moles of oxygen.
Container B, of volume 4.0 L, holds 2.0
moles of nitrogen.
Both containers are isola
Review
Chapter 18
Temperature, Heat &
The First Law of
Thermodynamics
1
Temperature
Scales
Problem 24: temperature scales
It is recommended to use a new temperature scale called Z.
On the Z scale, the boiling point of water is 65.0 oZ and the freezing
poi
Review
Chapter 21
Electric charge &
Coulombs law
1
Charge
Properties
Problem 6: charge conservation
Consider two conducting spheres, A and B, having the
same size.
Sphere A carries a charge of - 2.0 C, and sphere B carries
a charge of + 6.0 C.
The spheres
Review
Chapter 28
Magnetic Fields
Chapter 28 Major Concepts
Magnetic force on a charged particle
Crossed fields
Circulating charged particle
Magnetic force on a current-carrying wire
Torque on a current loop
We have 5 basic ideas
1. Magnetic force on
Review
Chapter 23
Gauss Law
1
Gauss Law &
Electric Flux
Problem 3: electric flux
If the constant electric field in figure 2 has a
magnitude of E = 25 N/C, calculate the electric
flux through the curved surface of the
hemisphere (half a sphere of radius R
Review
Chapter 26
Current &
Resistance
Problem 1: general
A current of 0.300 A is passed through a lamp (light bulb)
for 2.00 minutes using a 6.00-V power supply.
How much energy is dissipated by this lamp during the
2.00 minutes?
Problem 14: general
A cu
Chapter 19
Kinetic Theory of
Gases
1
Ideal Gas law
Problem 47: ideal gas law
The p-V diagram for a 4.3-g sample of an ideal gas contained in a
container is shown in figure 16.
The temperature T1 of state 1 is 21C. What is the temperature T3 ?
Problem 53:
Review
Chapter 22
Electric Fields
1
Electric Fields
Problem 1: electric field
Two identical charges, each of charge Q,
are positioned at points A (5.0 m, 0.0 m)
and B ( -5.0 m, 0.0 m) to produce a net
electric field of E = - 10j (N/C) at point
C (0.0 m, 5
Review
Chapter 27
Circuits
We have 2 basic ideas
1. Circuits
a. Single-loop circuits
b. Multiloop circuits
c. Equivalent resistance
d. Power
e. Potential differences
2. RC circuits
Done in class
CW = clockwise
CCW = counter clockwise
Problem 1
Figure 1 sh
PHYS 102 Solved Previous Exam Problems
CHAPTER
16
Waves
Transverse waves on a string
Power
Interference of waves
Standing waves
Resonance on a string
The problems are arranged according to the order of sections in the textbook.
Basics of wave motion
8. A
Aljalal-Phys102- 142-Ch19-page 1
Chapter 19
The Kinetic Theory of Gases
19-1 Avogadro's Number
19-2 Ideal Gases
19-3 Pressure, Temperature, and RMS speed
19-4 Translational Kinetic Energy
19-7 The Molar Specific Heat of an Ideal Gas
19-9 Adiabatic Expansi
Open-End Air Columns
Resonance
Guitar Strings
Open-End Air Columns
Closed-End Air Columns
Many musical instruments consist of an air column enclosed inside of a
hollow metal tube. Though the metal tube may be more than a meter in
length, it is often curve
Interference and Beats
Interference and Beats
The Doppler Effect and Shock Waves
Boundary Behavior
Reflection, Refraction, and Diffraction
Wave interference is the phenomenon that occurs when two waves
meet while traveling along the same medium. The inter
Intensity and the Decibel Scale
Pitch and Frequency
Intensity and the Decibel Scale
The Speed of Sound
The Human Ear
Sound waves are introduced into a medium by the vibration of an object.
For example, a vibrating guitar string forces surrounding air mole
Pitch and Frequency
Pitch and Frequency
Intensity and the Decibel Scale
The Speed of Sound
The Human Ear
A sound wave, like any other wave, is introduced into a medium by a
vibrating object. The vibrating object is the source of the disturbance that
moves