Physics for Scientists & Engineers with
Modern Physics (Volume 2) – 5th Edition
ST
(Global Edition)
UV
TEST BANK
IA
?_
AP
Douglas C. Giancoli
PR
Comprehensive Test Bank for Instructors
OV
and Students
ED
© Douglas C. Giancoli
All rights reserved. Reproduction or distribution without permission is prohibited.
?
Created by MedConnoisseur ©2025/2026
, TABLE OF CONTENTS
Physics for Scientists & Engineers with Modern Physics (Volume
2) – 5th Edition (Global Edition)
ST
Douglas C. Giancoli
UV
Chapter 21. Electric Charge and Electric Field
Chapter 22. Gauss’s Law
Chapter 23. Electric Potential
Chapter 24. Capacitance, Dielectrics, Electric Energy Storage
IA
Chapter 25. Electric Current and Resistance
Chapter 26. DC Circuits
Chapter 27. Magnetism
?_
Chapter 28. Sources of Magnetic Field
Chapter 29. Electromagnetic Induction and Faraday’s Law
Chapter 30. Inductance, Electromagnetic Oscillations, and AC Circuits
AP
Chapter 31. Maxwell’s Equations and Electromagnetic Waves
Chapter 32. Light: Reflection and Refraction
Chapter 33. Lenses and Optical Instruments
Chapter 34. The Wave Nature of Light: Interference and Polarization
PR
Chapter 35. Diffraction
Chapter 36. The Special Theory of Relativity
Chapter 37. Early Quantum Theory and Models of the Atom
Chapter 38. Quantum Mechanics
OV
Chapter 39. Quantum Mechanics of Atoms
Chapter 40. Molecules and Solids
Chapter 41. Nuclear Physics and Radioactivity
Chapter 42. Nuclear Energy; Effects and Uses of Radiation
Chapter 43. Elementary Particles
ED
Chapter 44. Astrophysics and Cosmology
?
Created by MedConnoisseur ©2025/2026
, Physics for Scientists & Engineers with Modern Physics (Volume 2) 5e Test Bank
(Global Edition) By Douglas C. Giancoli (Answers At The End Of Each Chapter)
Chapter 21
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Internal battery resistance: In the figure, when the terminal voltage Vab of the battery is 1)
ST
equal to 20 V, how much current passes through the battery, including its direction?
UV
A) 6 A, from a to b
IA
B) 5 A, from a to b
C) 4 A, from b to a
D) 5 A, from b to a
E) 4 A, from a to b
?_
2) Internal battery resistance: The emf and the internal resistance of a battery are as shown 2)
in the figure. When the terminal voltage Vab is equal to 17.4 V, what is the current throug
battery, including its direction?
AP
PR
A) 6.8 A, from b to a
B) 8.7 A, from b to a
C) 16 A, from b to a
OV
D) 6.8 A, from a to b
E) 8.7 A, from a to b
3) Current density: A proton beam that carries a total current of 1.3 mA has 10.0 mm 3)
diameter. The current density in the proton beam increases linearly with distance from
the center. This is expressed mathematically as J(r) = J0 (r/R), where R is the radius of
ED
the beam and J0 is the current density at the edge. Determine the value of J0.
A) 6.2 A/m2 B) 17 A/m2 C) 25 A/m2 D) 12 A/m2
?
1
, 4) Current: The figure shows a 2.0-cm diameter roller that turns at 90 rpm. A 4.0-cm wide 4)
plastic film is being wrapped onto the roller, and this plastic carries an excess electric
charge having a uniform surface charge density of 5.0 nC/cm2. What is the current of the
moving film?
ST
UV
A) 11 µA B) 23 µA C) 190 nA D) 30 nA
5) Basics of ac circuits: A 500-W device is connected to a 120-V ac power source. What 5)
peak current flows through this device?
IA
A) 150 A B) 120 A C) 4.2 A D) 170 A E) 5.9 A
6) Power: The voltage and power ratings of a particular light bulb, which are its normal 6)
?_
operating values, are 110 V and 60 W. Assume the resistance of the filament of the bulb
is constant and is independent of operating conditions. If the light bulb is operated with a
current that is 50% of the current rating of the bulb, what is the actual power drawn by
the bulb?
A) 15 W B) 10 W C) 20 W D) 30 W E) 25 W
AP
7) Power: The resistivity of gold is 2.44 × 10-8 Ω · m at room temperature. A gold wire that 7)
is 1.8 mm in diameter and 11 cm long carries a current of 170 mA. How much power is
dissipated in the wire?
A) 0.013 mW
PR
B) 0.030 mW
C) 0.0076 mW
D) 0.025 mW
E) 0.019 mW
OV
8) Drift velocity: A silver wire has a cross sectional area A = 2.0 mm2. A total of 9.4 ×
8)
1018 electrons pass through the wire in 3.0 s. The conduction electron density in silver is
5.8 × 1028 electrons/m3 and e = 1.60 × 10-19 C. What is the drift velocity of these
electrons?
A) 5.2 × 10-5 m/s
ED
B) 7.4 × 10-5 m/s
C) 2.7 × 10-5 m/s
D) 1.1 × 10-5 m/s
E) 9.1 × 10-5 m/s
?
2
Modern Physics (Volume 2) – 5th Edition
ST
(Global Edition)
UV
TEST BANK
IA
?_
AP
Douglas C. Giancoli
PR
Comprehensive Test Bank for Instructors
OV
and Students
ED
© Douglas C. Giancoli
All rights reserved. Reproduction or distribution without permission is prohibited.
?
Created by MedConnoisseur ©2025/2026
, TABLE OF CONTENTS
Physics for Scientists & Engineers with Modern Physics (Volume
2) – 5th Edition (Global Edition)
ST
Douglas C. Giancoli
UV
Chapter 21. Electric Charge and Electric Field
Chapter 22. Gauss’s Law
Chapter 23. Electric Potential
Chapter 24. Capacitance, Dielectrics, Electric Energy Storage
IA
Chapter 25. Electric Current and Resistance
Chapter 26. DC Circuits
Chapter 27. Magnetism
?_
Chapter 28. Sources of Magnetic Field
Chapter 29. Electromagnetic Induction and Faraday’s Law
Chapter 30. Inductance, Electromagnetic Oscillations, and AC Circuits
AP
Chapter 31. Maxwell’s Equations and Electromagnetic Waves
Chapter 32. Light: Reflection and Refraction
Chapter 33. Lenses and Optical Instruments
Chapter 34. The Wave Nature of Light: Interference and Polarization
PR
Chapter 35. Diffraction
Chapter 36. The Special Theory of Relativity
Chapter 37. Early Quantum Theory and Models of the Atom
Chapter 38. Quantum Mechanics
OV
Chapter 39. Quantum Mechanics of Atoms
Chapter 40. Molecules and Solids
Chapter 41. Nuclear Physics and Radioactivity
Chapter 42. Nuclear Energy; Effects and Uses of Radiation
Chapter 43. Elementary Particles
ED
Chapter 44. Astrophysics and Cosmology
?
Created by MedConnoisseur ©2025/2026
, Physics for Scientists & Engineers with Modern Physics (Volume 2) 5e Test Bank
(Global Edition) By Douglas C. Giancoli (Answers At The End Of Each Chapter)
Chapter 21
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Internal battery resistance: In the figure, when the terminal voltage Vab of the battery is 1)
ST
equal to 20 V, how much current passes through the battery, including its direction?
UV
A) 6 A, from a to b
IA
B) 5 A, from a to b
C) 4 A, from b to a
D) 5 A, from b to a
E) 4 A, from a to b
?_
2) Internal battery resistance: The emf and the internal resistance of a battery are as shown 2)
in the figure. When the terminal voltage Vab is equal to 17.4 V, what is the current throug
battery, including its direction?
AP
PR
A) 6.8 A, from b to a
B) 8.7 A, from b to a
C) 16 A, from b to a
OV
D) 6.8 A, from a to b
E) 8.7 A, from a to b
3) Current density: A proton beam that carries a total current of 1.3 mA has 10.0 mm 3)
diameter. The current density in the proton beam increases linearly with distance from
the center. This is expressed mathematically as J(r) = J0 (r/R), where R is the radius of
ED
the beam and J0 is the current density at the edge. Determine the value of J0.
A) 6.2 A/m2 B) 17 A/m2 C) 25 A/m2 D) 12 A/m2
?
1
, 4) Current: The figure shows a 2.0-cm diameter roller that turns at 90 rpm. A 4.0-cm wide 4)
plastic film is being wrapped onto the roller, and this plastic carries an excess electric
charge having a uniform surface charge density of 5.0 nC/cm2. What is the current of the
moving film?
ST
UV
A) 11 µA B) 23 µA C) 190 nA D) 30 nA
5) Basics of ac circuits: A 500-W device is connected to a 120-V ac power source. What 5)
peak current flows through this device?
IA
A) 150 A B) 120 A C) 4.2 A D) 170 A E) 5.9 A
6) Power: The voltage and power ratings of a particular light bulb, which are its normal 6)
?_
operating values, are 110 V and 60 W. Assume the resistance of the filament of the bulb
is constant and is independent of operating conditions. If the light bulb is operated with a
current that is 50% of the current rating of the bulb, what is the actual power drawn by
the bulb?
A) 15 W B) 10 W C) 20 W D) 30 W E) 25 W
AP
7) Power: The resistivity of gold is 2.44 × 10-8 Ω · m at room temperature. A gold wire that 7)
is 1.8 mm in diameter and 11 cm long carries a current of 170 mA. How much power is
dissipated in the wire?
A) 0.013 mW
PR
B) 0.030 mW
C) 0.0076 mW
D) 0.025 mW
E) 0.019 mW
OV
8) Drift velocity: A silver wire has a cross sectional area A = 2.0 mm2. A total of 9.4 ×
8)
1018 electrons pass through the wire in 3.0 s. The conduction electron density in silver is
5.8 × 1028 electrons/m3 and e = 1.60 × 10-19 C. What is the drift velocity of these
electrons?
A) 5.2 × 10-5 m/s
ED
B) 7.4 × 10-5 m/s
C) 2.7 × 10-5 m/s
D) 1.1 × 10-5 m/s
E) 9.1 × 10-5 m/s
?
2
