Filters
Question type
Study Flashcards

Thirteen resistors are connected across points A and B as shown in the figure.If all the resistors are accurate to 2 significant figures,what is the equivalent resistance between points A and B? Thirteen resistors are connected across points A and B as shown in the figure.If all the resistors are accurate to 2 significant figures,what is the equivalent resistance between points A and B? A) 4.0 Ω B) 6.0 Ω C) 8.0 Ω D) 10 Ω E) 12 Ω


A) 4.0 Ω
B) 6.0 Ω
C) 8.0 Ω
D) 10 Ω
E) 12 Ω

F) A) and E)
G) C) and D)

Correct Answer

verifed

verified

For the circuit shown in the figure,the switch S is initially open and the capacitor is uncharged.The switch is then closed at time t = 0.How many seconds after closing the switch will the energy stored in the capacitor be equal to 50.2 mJ? For the circuit shown in the figure,the switch S is initially open and the capacitor is uncharged.The switch is then closed at time t = 0.How many seconds after closing the switch will the energy stored in the capacitor be equal to 50.2 mJ? A) 81 s B) 65 s C) 97 s D) 110 s E) 130 s


A) 81 s
B) 65 s
C) 97 s
D) 110 s
E) 130 s

F) None of the above
G) D) and E)

Correct Answer

verifed

verified

For the circuit shown in the figure,all quantities are accurate to 3 significant figures.What is the power dissipated in the 2-Ω resistor? For the circuit shown in the figure,all quantities are accurate to 3 significant figures.What is the power dissipated in the 2-Ω resistor? A) 5.33 W B) 8.0 W C) 6.67 W D) 2.67 W E) 3.56 W


A) 5.33 W
B) 8.0 W
C) 6.67 W
D) 2.67 W
E) 3.56 W

F) A) and C)
G) None of the above

Correct Answer

verifed

verified

A 4.0-μF capacitor that is initially uncharged is connected in series with a 4.0-kΩ resistor and an ideal 17.0-V battery.How much energy is stored in the capacitor 17 ms after the battery has been connected?


A) 250,000 nJ
B) 15,000 kJ
C) 25 µJ
D) 890 nJ

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Two unknown resistors are connected together.When they are connected in series their equivalent resistance is 15 Ω.When they are connected in parallel,their equivalent resistance is 3.3 Ω.What are the resistances of these resistors?

Correct Answer

verifed

verified

For the circuit shown in the figure,the current in the 8-Ω resistor is 0.50 A,and all quantities are accurate to 2 significant figures.What is the current in the 2-Ω resistor? For the circuit shown in the figure,the current in the 8-Ω resistor is 0.50 A,and all quantities are accurate to 2 significant figures.What is the current in the 2-Ω resistor? A) 2.25 A B) 0.75 A C) 4.5 A D) 9.5 A E) 6.4 A


A) 2.25 A
B) 0.75 A
C) 4.5 A
D) 9.5 A
E) 6.4 A

F) B) and E)
G) C) and D)

Correct Answer

verifed

verified

A galvanometer G has an internal resistance rg.A VOLTMETER is constructed by incorporating the galvanometer and an additional resistance Rs.Which one of the figures below is the most appropriate circuit diagram for the voltmeter? A galvanometer G has an internal resistance r<sub>g</sub>.A VOLTMETER is constructed by incorporating the galvanometer and an additional resistance R<sub>s</sub>.Which one of the figures below is the most appropriate circuit diagram for the voltmeter? A) 1 B) 2 C) 3 D) 4 E) 5


A) 1
B) 2
C) 3
D) 4
E) 5

F) A) and D)
G) C) and D)

Correct Answer

verifed

verified

For the circuit shown in the figure,all quantities are accurate to 2 significant figures.What is the value of the current I1? For the circuit shown in the figure,all quantities are accurate to 2 significant figures.What is the value of the current I<sub>1</sub>? A) 0.32 A B) 0.11 A C) 0.29 A D) 0.61 A E) 0.89 A


A) 0.32 A
B) 0.11 A
C) 0.29 A
D) 0.61 A
E) 0.89 A

F) B) and E)
G) A) and C)

Correct Answer

verifed

verified

A light bulb is connected in the circuit shown in the figure with the switch S open and the capacitor uncharged.The battery has no appreciable internal resistance.Which one of the following graphs best describes the brightness B of the bulb as a function of time t after closing the switch? A light bulb is connected in the circuit shown in the figure with the switch S open and the capacitor uncharged.The battery has no appreciable internal resistance.Which one of the following graphs best describes the brightness B of the bulb as a function of time t after closing the switch? A) 1 B) 2 C) 3 D) 4 E) 5 A light bulb is connected in the circuit shown in the figure with the switch S open and the capacitor uncharged.The battery has no appreciable internal resistance.Which one of the following graphs best describes the brightness B of the bulb as a function of time t after closing the switch? A) 1 B) 2 C) 3 D) 4 E) 5


A) 1
B) 2
C) 3
D) 4
E) 5

F) A) and D)
G) C) and D)

Correct Answer

verifed

verified

B

An uncharged 1.0-μF capacitor is connected in series with a An uncharged 1.0-μF capacitor is connected in series with a resistor,an ideal battery,and an open switch.What is the voltage across the capacitor after closing the switch? A) 2.7 V B) 1.6 V C) 2.6 V D) 0.62 V resistor,an ideal An uncharged 1.0-μF capacitor is connected in series with a resistor,an ideal battery,and an open switch.What is the voltage across the capacitor after closing the switch? A) 2.7 V B) 1.6 V C) 2.6 V D) 0.62 V battery,and an open switch.What is the voltage across the capacitor An uncharged 1.0-μF capacitor is connected in series with a resistor,an ideal battery,and an open switch.What is the voltage across the capacitor after closing the switch? A) 2.7 V B) 1.6 V C) 2.6 V D) 0.62 V after closing the switch?


A) 2.7 V
B) 1.6 V
C) 2.6 V
D) 0.62 V

E) C) and D)
F) A) and C)

Correct Answer

verifed

verified

For the circuit shown in the figure,what is the current through resistor R3? For the circuit shown in the figure,what is the current through resistor R<sub>3</sub>? A) 0.043 A B) 1.5 A C) 0.028 A D) 0.086 A


A) 0.043 A
B) 1.5 A
C) 0.028 A
D) 0.086 A

E) A) and D)
F) A) and C)

Correct Answer

verifed

verified

For the circuit shown in the figure,determine the current in (a)the 7.0-Ω resistor. (b)the 8.0-Ω resistor. (c)the 4.0-Ω resistor. For the circuit shown in the figure,determine the current in (a)the 7.0-Ω resistor. (b)the 8.0-Ω resistor. (c)the 4.0-Ω resistor.

Correct Answer

verifed

verified

(a)1.6 A (...

View Answer

In the circuit shown in the figure,two 360.0-Ω resistors are connected in series with an ideal source of emf.A voltmeter with internal resistance of 6350 Ω is connected across one of the resistors and reads 3.23 V.Find the emf of the source. In the circuit shown in the figure,two 360.0-Ω resistors are connected in series with an ideal source of emf.A voltmeter with internal resistance of 6350 Ω is connected across one of the resistors and reads 3.23 V.Find the emf of the source.

Correct Answer

verifed

verified

6.64 V

For the circuit shown in the figure,I = 0.50 A and R = 12 Ω.What is the value of the emf ε? For the circuit shown in the figure,I = 0.50 A and R = 12 Ω.What is the value of the emf ε? A) 18 V B) 24 V C) 6.0 V D) 12 V E) 48 V


A) 18 V
B) 24 V
C) 6.0 V
D) 12 V
E) 48 V

F) A) and B)
G) All of the above

Correct Answer

verifed

verified

A galvanometer with a resistance of 40.0 Ω deflects full scale at a current of 2.0 mA.What resistance should be used with this galvanometer in order to construct a voltmeter that can read a maximum of 50 V?


A) 25 kΩ
B) 27 kΩ
C) 29 kΩ
D) 31 kΩ
E) 35 kΩ

F) All of the above
G) A) and B)

Correct Answer

verifed

verified

A

In the figure a current of 6.0 A is drawn from the battery.What is the terminal voltage Vab of the battery? In the figure a current of 6.0 A is drawn from the battery.What is the terminal voltage V<sub>ab</sub> of the battery? A) 0.00 V B) +12 V C) +24 V D) -12 V E) -24 V


A) 0.00 V
B) +12 V
C) +24 V
D) -12 V
E) -24 V

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

A 6.0-μF capacitor is connected in series with a 5.0 MΩ resistor,and this combination is connected across an ideal 15-V DC battery.What is the current in the circuit when the capacitor has reached 20% of its maximum charge?


A) 6.5 μA
B) 2.4 μA
C) 1.3 μA
D) 4.7 μA
E) 9.1 μA

F) None of the above
G) B) and E)

Correct Answer

verifed

verified

In the circuit shown in the figure,an ideal ohmmeter is connected across ab with the switch S open.All the connecting leads have negligible resistance.The reading of the ohmmeter will be closest to In the circuit shown in the figure,an ideal ohmmeter is connected across ab with the switch S open.All the connecting leads have negligible resistance.The reading of the ohmmeter will be closest to A) 7.5 Ω. B) 10 Ω. C) 30 Ω. D) 40 Ω. E) 60 Ω.


A) 7.5 Ω.
B) 10 Ω.
C) 30 Ω.
D) 40 Ω.
E) 60 Ω.

F) A) and C)
G) B) and E)

Correct Answer

verifed

verified

A multiloop circuit is shown in the figure.Some circuit quantities are not labeled.It is not necessary to solve the entire circuit.The current I1 is closest to A multiloop circuit is shown in the figure.Some circuit quantities are not labeled.It is not necessary to solve the entire circuit.The current I<sub>1</sub> is closest to A) zero. B) +0.2 A. C) +0.4 A. D) -0.2 A. E) -0.4 A.


A) zero.
B) +0.2 A.
C) +0.4 A.
D) -0.2 A.
E) -0.4 A.

F) B) and E)
G) D) and E)

Correct Answer

verifed

verified

A resistor is made out of a long wire having a length L.Each end of the wire is attached to a terminal of a battery providing a constant voltage V0.A current I flows through the wire.If the wire were cut in half,making two wires of length L/2,and both wires were attached to the battery (the end of both wires attached to one terminal,and the other ends attached to the other terminal) ,what would be the total current flowing through the two wires?


A) 4I
B) 2I
C) I
D) I/2
E) I/4

F) A) and C)
G) All of the above

Correct Answer

verifed

verified

Showing 1 - 20 of 68

Related Exams

Exam 1

Concepts of Motion

52 Questions

Exam 2

Kinematics in One Dimension

59 Questions

Exam 3

Vectors and Coordinate Systems

33 Questions

Exam 4

Kinematics in Two Dimensions

49 Questions

Exam 5

Force and Motion

30 Questions

Exam 6

Dynamics I: Motion Along a Line

46 Questions

Exam 7

Newtons Third Law

43 Questions

Exam 8

Dynamics II: Motion in a Plane

20 Questions

Exam 9

Work and Kinetic Energy

66 Questions

Exam 10

Interactions and Potential Energy

55 Questions

Exam 11

Impulse and Momentum

43 Questions

Exam 12

Rotation of a Rigid Body

116 Questions

Exam 13

Newtons Theory of Gravity

50 Questions

Exam 14

Fluids and Elasticity

72 Questions

Exam 15

Oscillations

49 Questions

Exam 16

Traveling Waves

51 Questions

Exam 17

Superposition

51 Questions

Exam 18

A Macroscopic Description of Matter

46 Questions

Exam 19

Work, heat, and the First Law of Thermodynamics

96 Questions

Exam 20

The Micromacro Connection

41 Questions

Exam 21

Heat Engines and Refrigerators

44 Questions

Exam 22

Electric Charges and Forces

26 Questions

Exam 23

The Electric Field

32 Questions

Exam 24

Gausss Law

41 Questions

Exam 25

The Electric Potential

40 Questions

Exam 26

Potential and Field

57 Questions

Exam 27

Current and Resistance

32 Questions

Exam 29

The Magnetic Field

83 Questions

Exam 30

Electromagnetic Induction

66 Questions

Exam 31

Electromagnetic Fields and Waves

52 Questions

Exam 32

Ac Circuits

44 Questions

Exam 33

Wave Optics

51 Questions

Exam 34

Ray Optics

60 Questions

Exam 35

Optical Instruments

52 Questions

Exam 36

Relativity

49 Questions

Exam 37

The Foundations of Modern Physics

7 Questions

Exam 38

Quantization

45 Questions

Exam 39

Wave Functions and Uncertainty

18 Questions

Exam 40

One-Dimensional Quantum Mechanics

32 Questions

Exam 41

Atomic Physics

38 Questions

Exam 42

Nuclear Physics

64 Questions

Show Answer