Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 21.1, Problem 1aTH
Based on your experience with electric field lines:
• how should the direction of the magnetic field at every point be related to the magnetic field lines?
• how should the strength of the magnetic field at every point be reflected in the magnetic field lines?
Expert Solution & Answer
Learn your wayIncludes step-by-step video
schedule01:26
Students have asked these similar questions
Ry
Fig.1
Consider a solid cylinderical conductor with radius R = 8 cm that carries a current I = 5 mA which is uniformly distributed along it's cross section.
Note:Negetive direction of current points in the direction opposite to that of shown in the figure
a) Find the magnitude of the magnetic field at point ri = 6 cm.
The magnetic field
Give your answer to at least three significance digits.
T
b) Find the magnitude of magnetic field at point r2 = 10 cm.
magnitude of the magnetic field
Give your answer to at least three significance digits.
T
Use the following constants if necessary. Coulomb constant, k = 8.987 x 10° N - m² /C Vacuum permitivity, eo = 8.854 x 10-12 F/m. Magnetic
Permeability of vacuum, Ho = 12.566370614356 × 10 "H/m. Magnitude of the Charge of one electron, e=–1.60217662 × 10 vở C. Mass of one
electron, m, = 9.10938356 x 10 " kg. Unless specified otherwise, each symbol carries their usual meaning. For example, uC means micro coulomb
Ry
Fig.1
Consider a solid cylinderical conductor with radius R= 14 am that carries a current I =-5mA which is uniformly distributed along it's cross section,
NoteNegetive direction of current points in the direction opposite to that of shown in the figure
a) Find the magnitude of the magnetic fieid at point r = 1lam
The magnetic field
Se your answer to at a trae signifcance digiu.
b) Find the magnitude of magnetic field at point r = 17 m
magnitude of the magnetic field
Give you answer o least three sigrificance digits.
T
1-
B? •
In the figure above, a wire is oriented horizontally across the screen with a
current that is moving left . The direction of the magnetic field B at point below the
wire is
Submit Answer
Tries 0/2
B? OI
In the figure above, a wire is oriented perpendicular to the screen with a
current that is moving out. The direction of the magnetic field B at point to the left
of the wire is
Submit Answer
Tries 0/2
•B?
In the figure above, a wire is oriented perpendicular to the screen with a
current that is moving out. The direction of the magnetic field B at point to the right
of the wire is
Chapter 21 Solutions
Tutorials in Introductory Physics
Ch. 21.1 - Based on your experience with electric field...Ch. 21.1 - Carefully draw the magnetic field lines for the...Ch. 21.1 - Based on the magnetic field lines you have drawn,...Ch. 21.1 - Two identical magnets are placed as shown. Using...Ch. 21.1 - To which of your three classes from section I of...Ch. 21.1 - To which of your three classes could bar 2 belong?...Ch. 21.1 - Would end 2A attract, repel, or neither attract...Ch. 21.2 - A magnet is hung by a string and then placed near...Ch. 21.2 - Draw a vector on the diagram to show the direction...Ch. 21.2 - Suppose that a third wire, carrying another...
Additional Science Textbook Solutions
Find more solutions based on key concepts
11.10 A uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the...
University Physics with Modern Physics (14th Edition)
Your 200-g cup of tea is boiling-hot. About how much ice should you add to bring it down to a comfortable sippi...
An Introduction to Thermal Physics
In circular motion, a tangential acceleration can change the magnitude of the velocity but not its direction. E...
University Physics Volume 1
Using the definitions in Eqs. 1.1 and 1.4, and appropriate diagrams, show that the dot product and cross produc...
Introduction to Electrodynamics
26. The earth’s radius is about 4000 miles. Kampala, the capital of Uganda, and Singapore are both nearly on t...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (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 (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
- A conducting sheet lies in a plane perpendicular to a magnetic field B that is below the sheet. If B oscillates at a high frequency and the conductor is made of a material of low resistivity, the region above the sheet is effectively shielded from B . Explain why. Will the conductor shield this region from static magnetic fields?arrow_forwardExplain why the magnetic field would not be unique (that is, not have a single value) at a point in space where magnetic field lines might cross. (Consider the direction of the field at such a point.)arrow_forwardA particle with electric charge is fired into a region of space where the electric field is zero. It moves in a straight line. Can you conclude that the magnetic field in that region is zero? (a) Yes, you can. (b) No; the field might be perpendicular to the particles velocity. (c) No; the field might be parallel to the particles velocity. (d) No; the particle might need to have charge of the opposite sign to have a force exerted on it. (e) No; an observation of an object with electric charge gives no information about a magnetic field.arrow_forward
- • B? I 8 In the figure above, a wire is oriented vertically across the screen with a current that is moving up The direction of the magnetic field B at point to the left of the wire is I B? In the figure above, a wire is oriented perpendicular to the screen with a current that is moving out The direction of the magnetic field B at point below the wire isarrow_forward•A Wire Y Q. Wire X FIGURE 2 FIGURE 2 shows two parallel long straight rigid wires X and Y, each of the wire carry the current of 20 A and 10A in opposite directions. The wires are Im apart. Determine the magnitude and direction of the magnetic flux density at point Q which is equidistance from wire X and wire Y. (from front view) Calculate the distance, r from wire X to point A where the resultant magnetic field strength is zero. (i) (ii)arrow_forward2. A long wire carrying 4.50 A of current makes two 90° bends, as shown in the figure below. This bent wire passes through a uniform 0.240-T magnetic field directed as shown in the figure and confined to a limited region of space. Find the magnitude and direction of the net force that the magnetic field exerts on the wire. • Magnetic field region 30.0 cm .60.0 cm 4.50 A⚫ B 60.0 cmarrow_forward
- Force on a Moving Charge in a Magnetic Field: Examples and Applications• Describe the effects of a magnetic field on a moving charge.• Calculate the radius of curvature of the path of a charge that is moving in a magnetic field.arrow_forwardAfter this activity you should know: • Biot-Savart law • the direction and magnitude of the magnetic field created by a long straight thin current • be able to calculate magnetic field due to multiple currents. Magnetic fields are generated by moving charges or currents. Even a permanent magnet can be thought of as a large collection of current loops on an atomic scale. ds Biot-Savart Law: The Biot-Savart law gives the magnetic field dB at point P due to a small segment ds of a wire carrying a current I: HoI ds x î dB r2 P Here r is the vector from the small segment ds to the point P. The direction of ds is the same direction as the current at position on the wire I 1. A long straight thin wire carries current as shown. Use the Biot-Savart law and the right hand rule to determine the direction of the magnetic field at the points shown. ds What is the direction of the magnetic field at point 1 (left/right/in/out/top/bottom/zero)? Hint: pick a small length ds of the current and draw the…arrow_forwardILLUSTRATE AND SOLVE A straight wire with length 2338cm carries a current 29A which is directed to the right and is perpendicular to an unknown uniform magnetic field B. A magnetic force 40pN acts on a conductor which is directed downwards. • Determine the magnitude and the direction of the magnetic field in the region through which the current passes. • If the angle between the current and the magnetic field is 45 degrees this time, what would be the new value of the magnitude of the new magnetic force?arrow_forward
- • B? I 8In the figure above, a wire is oriented vertically across the screen with a current that is moving down. The direction of the magnetic field B at point to the left of the wire is B? x) I In the figure above, a wire is oriented perpendicular to the screen with a current that is moving in . The direction of the magnetic field B at point above the wire isarrow_forward1. In the Module 6, we learned that magnetic field can be produced by a current-carrying wire. A long straight wire carrying a 4A current is placed along the x-axis as shown in the figure. What is the magnitude of the magnetic field at a point P, located at y = 10 cm, due to the current in this wire? (uo=4n x 10-7 T m/A) • P I=4 A Xarrow_forward• Bout A current wire placed in the magnetic field in the pic above experiences a force along the direction of the red arrow. What is the direction of the current in the wire? NOTE: The red arrow is NOT the wire, it is direction of the force experienced by the wire. O Pointing Left O Pointing Right O Pointing Up O Pointing Downarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax CollegePhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Magnets and Magnetic Fields; Author: Professor Dave explains;https://www.youtube.com/watch?v=IgtIdttfGVw;License: Standard YouTube License, CC-BY