Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN: 9781133939146
Author: Katz, Debora M.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 30, Problem 92PQ
To determine
The attractive force per unit length between the wire and the strip.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
22. A long, cylindrical conductor of radius R carries a current / as shown in Figure
P29.22. The current density J, however, is not uniform over the cross section of the
conductor but rather is a function of the radius according to J = br, where b is a
constant. Find an expression for the magnetic field magnitude B (a) at a distance r1 R, measured from the center of the conductor.
Figure P29.22
A long straight wire in the z-axis carries a current of 6.0 A in the positive z direction, and a circular loop of 10 cm radius in the xy-plane also carries 1.0-A current as shown in the figure. Point P in the center of the ring is 25 cm from the z-axis. An electron is ejected from P at a velocity of 1.0 × 106 m / s in the negative x direction. What is the y component of the force acting on the electron? (e = 1.60 × 10-19 C, μ0 = 4π × 10-7 T m / A)
6. Rail guns have been suggested for launching projectiles into space without chemical rockets. A
tabletop model rail gun (Figure A2.4) consists of two long, parallel, horizontal rails, l= 3.50 cm apart,
bridged by a bar of mass m= 3.00 g that is free to slide without friction. The rails and bar have low
electric resistance, and the current is limited to a constant I = 24.0 A by a power supply that is far
to the left of the figure, so it has no magnetic effect on the bar. Figure A2.4 shows the bar at rest
at the midpoint of the rails at the moment the current is established. We wish to find the speed
with which the bar leaves the rails after being released from the midpoint of the rails.
(a) Find the magnitude of the magnetic field at a distance of 1.75 cm from a single long wire carrying
a current of 2.40 A.
(b) For purposes of evaluating the magnetic field, model the rails as infinitely long. Using the result
of part (a), find the magnitude and direction of the magnetic field at the…
Chapter 30 Solutions
Physics for Scientists and Engineers: Foundations and Connections
Ch. 30.2 - Prob. 30.1CECh. 30.3 - Prob. 30.2CECh. 30.4 - Prob. 30.3CECh. 30.8 - Cosmic rays are high-energy charged particles...Ch. 30.9 - The Earths Van Allen belts (Fig. 30.34) are a...Ch. 30.10 - Prob. 30.6CECh. 30.10 - Prob. 30.7CECh. 30.12 - Prob. 30.8CECh. 30 - A yoga teacher tells her students to imagine their...Ch. 30 - Prob. 2PQ
Ch. 30 - Prob. 3PQCh. 30 - Prob. 4PQCh. 30 - Prob. 5PQCh. 30 - Copy Figure P30.6 and sketch the magnetic field...Ch. 30 - Prob. 7PQCh. 30 - Prob. 9PQCh. 30 - Figure P30.10 shows a circular current-carrying...Ch. 30 - Figure P30.11 shows three configurations of wires...Ch. 30 - Review A proton is accelerated from rest through a...Ch. 30 - An electron moves in a circle of radius r at...Ch. 30 - One common type of cosmic ray is a proton...Ch. 30 - Prob. 15PQCh. 30 - Prob. 16PQCh. 30 - Prob. 17PQCh. 30 - A Two long, straight, parallel wires are shown in...Ch. 30 - Prob. 19PQCh. 30 - Two long, straight, parallel wires carry current...Ch. 30 - Prob. 21PQCh. 30 - Two long, straight wires carry the same current as...Ch. 30 - Prob. 23PQCh. 30 - A wire is bent in the form of a square loop with...Ch. 30 - Prob. 25PQCh. 30 - A Derive an expression for the magnetic field...Ch. 30 - Prob. 27PQCh. 30 - Prob. 28PQCh. 30 - Prob. 29PQCh. 30 - Prob. 30PQCh. 30 - Prob. 31PQCh. 30 - Prob. 32PQCh. 30 - Prob. 33PQCh. 30 - Prob. 34PQCh. 30 - Normally a refrigerator is not magnetized. If you...Ch. 30 - Prob. 36PQCh. 30 - Prob. 37PQCh. 30 - The magnetic field in a region is given by...Ch. 30 - Prob. 39PQCh. 30 - Prob. 40PQCh. 30 - Prob. 41PQCh. 30 - The velocity vector of a singly charged helium ion...Ch. 30 - Prob. 43PQCh. 30 - Can you use a mass spectrometer to measure the...Ch. 30 - In a laboratory experiment, a beam of electrons is...Ch. 30 - Prob. 46PQCh. 30 - Prob. 47PQCh. 30 - Prob. 48PQCh. 30 - A proton and a helium nucleus (consisting of two...Ch. 30 - Two ions are accelerated from rest in a mass...Ch. 30 - Prob. 51PQCh. 30 - Prob. 52PQCh. 30 - A rectangular silver strip is 2.50 cm wide and...Ch. 30 - For both sketches in Figure P30.56, there is a...Ch. 30 - A 1.40-m section of a straight wire oriented along...Ch. 30 - Professor Edward Ney was the founder of infrared...Ch. 30 - Prob. 59PQCh. 30 - A wire with a current of I = 8.00 A directed along...Ch. 30 - Prob. 61PQCh. 30 - The triangular loop of wire shown in Figure P30.62...Ch. 30 - Prob. 63PQCh. 30 - Consider the wires described in Problem 63. Find...Ch. 30 - Prob. 65PQCh. 30 - Prob. 66PQCh. 30 - A Three parallel current-carrying wires are shown...Ch. 30 - Prob. 68PQCh. 30 - Prob. 69PQCh. 30 - Prob. 70PQCh. 30 - Prob. 71PQCh. 30 - Prob. 72PQCh. 30 - A circular coil 15.0 cm in radius and composed of...Ch. 30 - Prob. 74PQCh. 30 - Prob. 75PQCh. 30 - Prob. 76PQCh. 30 - Prob. 77PQCh. 30 - Two long, straight, current-carrying wires run...Ch. 30 - Prob. 79PQCh. 30 - Prob. 80PQCh. 30 - Prob. 81PQCh. 30 - Prob. 82PQCh. 30 - Two infinitely long current-carrying wires run...Ch. 30 - Prob. 84PQCh. 30 - Prob. 85PQCh. 30 - Prob. 86PQCh. 30 - A charged particle with charge q and velocity...Ch. 30 - Prob. 88PQCh. 30 - Prob. 89PQCh. 30 - A mass spectrometer (Fig. 30.40, page 956)...Ch. 30 - Three long, current-carrying wires are parallel to...Ch. 30 - Prob. 92PQCh. 30 - A current-carrying conductor PQ of mass m and...Ch. 30 - A proton enters a region with a uniform electric...
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
- A portion of a long, cylindrical coaxial cable is shown in the figure below. An electrical current I = 3.0 amps flows down the center conductor, and this same current is returned in the outer conductor. Assume the current is distributed uniformly over the cross sections of the two parts of the cable. The values of the radii in the figure are r1 = 1.5 mm, r2 = 4.0 mm, and r3 = 7.0 mm. Using Ampere’s Law, find the magnitude of the magnetic field at the following distances from the center of the inner wire: a. 1.0 mm. b. 3.0 mm. c. 5.5 mm. d. 9.0 mm.arrow_forwardThe answer is negatively charged. Please explain to me why.arrow_forwardProblem 10. Two very long, parallel wires are separated by d = 0.015 m. The first wire carries a current of I1 = 0.35 A. The second wire carries a current of I2 = 0.45 A. A) Express the magnitude of the force between the wires per unit length, f, in terms of I1, I2, and d. B) Calculate the numerical value of f in N/m. C) Is the force repulsive or attractive? D) Express the minimal work per unit length needed to separate the two wires from d to 2d. E) Calculate the numerical value of w in J/m.arrow_forward
- E13P5arrow_forwardMagnetic resonance imaging needs a magnetic field strength of 1.5 T. The solenoid is 1.8 m long and 75 cm in diameter. It is tightly wound with a single layer of 2.50-mm-diameter superconducting wire. What is the current needed?arrow_forwardA coil is constructed by wrapping a wire of length 8.6 on a paper cylinder of radius 0.03 m and length 0.10 m. A current of 0.1 A is applied to coil. What is the expected value of the field at the center of the coil? Hint: determine the number of turns of wire that fit the cylinder and determine the number of turns per unit of cylinder length. Answer in microTesla (1 microTesla= 106 Tesla).arrow_forward
- In earlier times when many households received nondigital television signals from an antenna, the lead-in wires from the antenna were often constructed in the form of two paral- lel wires (Fig. P31.50). The two wires carry currents of equal magnitude in opposite directions. The center-to-center separation of the wires is w, and a is their radius. Assume w is large enough compared with a that the wires carry the current uniformly distributed over their surfaces and negli- gible magnetic field exists inside the wires. (a) Why does this configuration of conductors have an inductance? (b) What TV antenna TV set Figure P31.50 constitutes the flux loop for this configuration? (c) Show that the inductance of a length x of this type of lead-in is w - a L In aarrow_forwardConsider a 150 turn square loop of wire 16 cm on a side that carries a 56 A current in a 1.75 T field. l = 16 cmI = 56 AB = 1.75 T a. What is the maximum torque on the loop of wire in N⋅m? b. What is the magnitude of the torque in N⋅m when the angle between the field and the normal to the plane of the loop θ is 14°?arrow_forward28.39. Coaxial Cable. A solid Figure E28.39 conductor with radius a is supported by insulating disks on the axis of a conducting tube with inner radius b and outer radius c (Fig. E28.39). The central conductor and tube carry equal currents I in opposite direc- tions. The currents are distributed uniformly over the cross sections of each conductor. Derive an expression for the magnitude of the magnetic field Сarrow_forward
- E13P5arrow_forwardTwo very long, parallel wires are separated by d = 0.035 m. The first wire carries a current of I1 = 0.65 A. The second wire carries a current of I2 = 0.45 A. Part (a) Express the magnitude of the force between the wires per unit length, f, in terms of I1, I2, and d. Part (b) Calculate the numerical value of f in N/m. Part (c) Is the force repulsive or attractive? Part (d) Express the minimal work per unit length needed to separate the two wires from d to 2d. Part (e) Calculate the numerical value of w in J/m.arrow_forwardYou are working during the summer at a company that builds theme parks. The company is designing an electromagnetic propulsion system for a new roller coaster. A model of a substructure of the device appears in the figure below. L The rod is of length d = 1.00 m and mass m = 0.400 kg. The rod carries a current I = 100 A in the direction shown and rolls along the rails of length L = 15.0 m without slipping. The entire system of rod and rails is immersed in a uniform downward-directed magnetic field with magnitude B = 1.90 T. The electromagnetic force on the rod is parallel to the rails, causing the rod to roll to the right in the figure. When a full-scale device is produced, this rod will represent the axle of wheels on which the car and its passengers ride. The electromagnetic force on the axle will provide the motion of the car at the beginning of the roller-coaster ride. Your supervisor wants to test the substructure in the figure in a flat outdoor area on the grounds of the company.…arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning