University Physics Volume 2
18th Edition
ISBN: 9781938168161
Author: OpenStax
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 13, Problem 44P
In the accompanying figure, the rails, connecting end piece, and rod all have a resistance per unit length of . The rod moves to the left at v = 3.0 m/s. If everywhere in the region, what is tire current in the circuit (a) when a = 8.0 cm? (b) when a = 5.0 cm ? Specify also the sense of the current flow.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length
of 152/cm. The rod moves to the left at v= 3.5 m/s. If B = 0.4 T everywhere in the region, what is
the current in the circuit (a) when a = 9.5 cm? (b) when a = 4.5 cm?
B
Hint
a. When a = 9.5 cm, a Select an answer current of
circuit.
b. When a = 4.5 cm,
Question Help: Message instructor
Submit Question
◄ Previous
E Pre
●
mA ows in the circuit.
4.0 cm
mA flows in the
In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length
of 40/cm. The rod moves to the left at v = 3 m/s. If B = 0.65 T everywhere in the region, what is
the current in the circuit (a) when a = 8 cm? (b) when a = 4.5 cm?
Description of Image
B
Hint
a. When a = 8 cm, a counterclockwise
mA flows in the circuit.
b. When a = = 4.5 cm, 5.48
o current of 9.75
4.0 cm
X = 5.48 mA flows in the circuit.
X
= 9.75
In the accompanying figure, the rails, connecting end pieces,
and rod all have a resistance per unit length of 4.50/cm.
The rod moves to the left at v = 3 m/s. If B = 0.25 T
everywhere in the region, what is the current in the circuit
(a) when a = 6 cm? (b) when a = : 4 cm?
B
Hint
a
a. When a = 6 cm, a Select an answer
circuit.
b. When a = 4 cm,
V
mA flows in the circuit.
↑
4.0 cm
current of
mA flows in the
Chapter 13 Solutions
University Physics Volume 2
Ch. 13 - Chek sour Understanding A closely und coil has a...Ch. 13 - Check ‘sour Und.rtanding Find the dhectlon of the...Ch. 13 - Check Your UnderstAnding Verify the directions of...Ch. 13 - Check Your Understanding Shown below is a rod of...Ch. 13 - Check Your Understanding A rod of length 10cm...Ch. 13 - Check Your understanding Suppose that the coil of...Ch. 13 - Check Your Understanding What Is the magnitude of...Ch. 13 - Check your Understanding Themagneticfield shown...Ch. 13 - Check Your Understanding A long solenoid of...Ch. 13 - A stationary coil is in a magnetic field that is...
Ch. 13 - In Faraday’s experiments, what would be the...Ch. 13 - A copper ring and a wooden ring of the same...Ch. 13 - Discuss the factors determining the induced emf in...Ch. 13 - a. Does the induced emf in a circuit depend on the...Ch. 13 - How would changing the radius of loop D shown...Ch. 13 - Can there be an induced emf in a circuit at an...Ch. 13 - Does the induced emf always act to decrease the...Ch. 13 - How would you position a flat loop of wire in a...Ch. 13 - The normal to tt plane of a single-turn conducting...Ch. 13 - The circular conducting loops shown in the...Ch. 13 - The north pole of a mag’iet is moved toward a...Ch. 13 - The accompanying figure shows a conducting ring at...Ch. 13 - Show that and dm/dt have the same units.Ch. 13 - State the direction of the induced current for...Ch. 13 - A bar magnet falls under the influence of gravity...Ch. 13 - Around the geographic North Pole (or magnetic...Ch. 13 - A wire loop moves translationally (no rotation) in...Ch. 13 - Is the work required to accelerate a rod from rest...Ch. 13 - The copper sheet shown below is partially in a...Ch. 13 - A conducting sheet lies in a plane perpendicular...Ch. 13 - Electromagnetic braking can be achieved by...Ch. 13 - A coil is moved through a magnetic field as shown...Ch. 13 - A 50-turn coil has a diameter of 15 cm. The coil...Ch. 13 - Repeat your calculations of the preceding...Ch. 13 - A square loop whose sides are 6.0-cm long is made...Ch. 13 - The magnetic field through a circular loop of...Ch. 13 - The accompanying figure shows a single-turn...Ch. 13 - How would the answers to the preceding problem...Ch. 13 - A long solenoid with n= 10 turns per centimeter...Ch. 13 - A rectangular wire loop with length a and width b...Ch. 13 - The magnetic field perpendicular to a single sire...Ch. 13 - A single-turn circular loop of wire of radius 50...Ch. 13 - When a magnetic field is first turned on, t1 flux...Ch. 13 - The magnetic flux through the loop shown in the...Ch. 13 - Use Lenz’s law to determine tl direction of...Ch. 13 - An automobile with a radio antenna 1.0 m long...Ch. 13 - Prob. 38PCh. 13 - Suppose the magnetic field of the preceding...Ch. 13 - A coil of 1000 turns encloses an area of 25 cm2....Ch. 13 - In the circuit sho in the accompanying figure, the...Ch. 13 - The rod shown in the accompanying figure is moving...Ch. 13 - A 25-cm nod moves at 5.0 m/s in a plane...Ch. 13 - In the accompanying figure, the rails, connecting...Ch. 13 - The rod shown below moves to the right on...Ch. 13 - Shown below is a conducting rod that slides along...Ch. 13 - Calculate the induced electric field in a 50-tuni...Ch. 13 - The magnetic field through a circular loop of...Ch. 13 - The current I through a long solenoid with n trims...Ch. 13 - Calculate the electric field induced both inside...Ch. 13 - Prob. 51PCh. 13 - The magnetic field at all points within the...Ch. 13 - The current in a long solenoid of radius 3 cm is...Ch. 13 - The current in a long solenoid of radius 3 cm and...Ch. 13 - Design a current loop that, when rotated in a...Ch. 13 - A flat, square coil of 20 turns that has sides of...Ch. 13 - A 50-turn rectangular coil with dimensions...Ch. 13 - The square armature coil of an alternating current...Ch. 13 - A flip coil is a relatively simple device used to...Ch. 13 - The flip coil of the preceding problem has a...Ch. 13 - A 120-V, series-wound motor has a field resistance...Ch. 13 - A small series-wound dc motor is operated from a...Ch. 13 - Shown in the following figure is a long, straight...Ch. 13 - A metal bar of mass 500 g slides outward at a...Ch. 13 - A current is induced in a circular loop of radius...Ch. 13 - A metal bar of length 25 cm is placed...Ch. 13 - A coil with 50 turns and area 10cm2 is oriented...Ch. 13 - A 2-turn planer loop of flexible wire is placed...Ch. 13 - The conducting rod shown in the accompanying...Ch. 13 - A circular loop of wire of radius 10 cm is mounted...Ch. 13 - The magnetic field between the poles of a...Ch. 13 - A long solenoid of radius a with n turns per unit...Ch. 13 - A 120-V, series-wound dc motor draws 0.50 A from...Ch. 13 - The armature and field coils of a series-wound...Ch. 13 - A copper wire of Length I is fashioned into a...Ch. 13 - A 0.50-kg copper sheet drops through a uniform...Ch. 13 - A circular copper disk of radius 7.5 on rotates at...Ch. 13 - A short rod of length a moves with its velocity...Ch. 13 - A rectangular circuit containing a resistance R is...Ch. 13 - Two infinite solenoids cross the plane of the...Ch. 13 - An eight-turn coil is tightly wrapped around the...Ch. 13 - Shown below is a long rectangular loop of width w,...Ch. 13 - A square bar of mass m and resistance R is sliding...Ch. 13 - The accompanying figure shows a metal disk of...Ch. 13 - A long solenoid with 10 turns per centimeter is...Ch. 13 - The current in the long, straight wire shown in...Ch. 13 - A 500-turn coil with a 0.250m2 area is spun in...Ch. 13 - A circular loop of wire of radius 10 cm. is...Ch. 13 - A long solenoid of radius a with n turns per unit...Ch. 13 - A rectangular copper loop of mass 100 g and...Ch. 13 - A metal bar of mass m slides without friction over...Ch. 13 - A time-dependent uniform magnetic field of...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Youre on a NASA team engineering a probe to land on Jupiters moon to, and your job is to specify the impact spe...
Essential University Physics: Volume 1 (3rd Edition)
22. A student has 65-cm-long arms. What is the minimum angular velocity (in rpm) for swinging a bucket of water...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Free Fall on Different Worlds
Objects in free fall on the earth have acceleration ay = ? 9.8 m/s2. On the moon,...
College Physics: A Strategic Approach (4th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
If vectors A and B are orthogonal, what is the component of B along the direction of A ? What Is the component ...
University Physics Volume 1
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 42/ cm. The rod moves to the left at v = 3.5 m/s. If B = 0.8 T everywhere in the region, what is the current in the circuit (a) when a = 8.5 cm? (b) when a = 3.5 cm? В 4.0 cm Hint a. When a = 8.5 cm, a counterclockwise v current of mA flows in the circuit. b. When a 3.5 ст, mA flows in the circuit. t>arrow_forwardThe current in a wire varies with time t according to the relation: I(t) = 58-3t². where the current I in Ampere and time t in seconds. How many coulombs of charge pass a cross-section of the wire in the time interval ?between t = 0 and t = 3sarrow_forwardIn the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 202/cm. The rod moves to the left at v= 4 m/s. If B = 0.75 T everywhere in the region, what is the current in the circuit (a) when a = 10 cm? (b) when a = = 3.5 cm? B Hint a. When a = 10 cm, a counterclockwise circuit. b. When a = ● 3.5 cm, 17.14 current of 6 ● 4.0 cm x mA flows in the circuit. x mA flows in thearrow_forward
- The Stanford Linear Accelerator Center (SLAC) operated an electron storage ring about 72.0 m in diameter called SPEAR (closed in 2009), in which a circulating beam of electrons moved at nearly the speed of light. Assuming that this electron beam had a current of 25 A, how many electrons were in the beam at any given moment?arrow_forwardThe charge in an electronic device satisfies Q(t) = 4.15t³ + 2.72t + 3.28/t² Coulombs. What is the current at 6.32 s? Assuming units of Amps and 3 sig figs.arrow_forwardIn a cathode ray tube, electrons travel across a distance of 19.2 cm. Over this distance, the electric current is observed to be 18.5 μA over a time of 6.51 seconds. How many electrons traveled across this tube in this time?arrow_forward
- (a). A silver wire 6.6 mm with diameter in which 3.6 ampere current passing through. Calculate how manycoulombs of electric charge flows from silver wire in 3.0 hour. (b). The thin copper wire with radius of 1.3 mm is wound into a torus shaped coil as revealed in figure.From copper wire 8.75 x 10-2ampere electric current passing though in 4800 sec. Number of free electronsper cubic meter in copper wire is 5.8 x 1028. Calculate magnitude of electron’s drift velocity in thediameter of copper wire.arrow_forwardThe total amount of charge that has entered a wire at time tt is given by the expression Q=(20C)(1−e−t/(2.0s)), where t is in seconds and t≥0 1.Find an expression for the current in the wire at time t. 2.arrow_forwardEach of the eight conductors in the figure carries 6.89 A of current into or out of the page. Two paths are indicated for the line integral ʃ B(vector) dot d s(vector). What is the value of the integral for (a) path 1 and (b) path 2?arrow_forward
- (1) What is a definition of electric current? Label the variables. (2) Suppose that 1016 electrons pass through a cross-section of a wire each second. What is the current in the wire? (3) The current in a wire varies with time according to the relation / = 5+3t where I is in amperes andt is in seconds. What is the number of coulombs of charge that pass a cross section of the wire between t=3s and t=5s?arrow_forwardProblem 27.59 The total amount of charge that has entered a wire at time t is given by the expression Q=(20 C)(1-e-t/(2.0)), where t is in seconds and t≥ 0. 3 D C 4 998 R F 5 V ED G 6 B T Part A Find an expression for the current in the wire at time t. Assume the numeric values in your entry are in SI units. Express your answer in terms of t. [VG| ΑΣΦ Y I(t) = Part B Submit Previous Answers Request Answer (10A)e X Incorrect; Try Again; 2 attempts remaining Submit What is the maximum value of the current? Express your answer with the appropriate units. Imax 10 A ✓ Correct MacBook Air H & 7 1 2s Previous Answers N 44 12 Ĉ C WC 8 L M 9 K O ? O ( P F33 + ? AA 15 of 16 > F12 Review }arrow_forwardA conducting wire is carrying a constant current, I = 2.13 A. (a) Write a symbolic expression for the amount of charge, Aq, that flows past a point in the wire in a time interval At = 1.6-sec, in terms of I, At, and constants (like e), then calculate its numeric value. Aq (b) At what rate are free electrons flowing along the conducting wire? Write a symbolic expression in terms I, At, and e (as needed), then calculate its numeric value. AN₂ At C II electrons/secondarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON