Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 21.1, Problem 3aTH
To which of your three classes from section I of the tutorial Magnets and magnetic fields could bar 1 belong? Explain your reasoning and the characteristics that define each of you classes.
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Just need help with part B
The long, thin wire shown in the figure (Figure 1) is in a region
of constant magnetic field B. The wire carries a current of 6.2
A and is oriented at an angle of 7.5° to the direction of the
magnetic field.
Part A
If the magnetic force exerted on this wire per meter is 3.5×10-2 N, what is the magnitude of the magnetic field?
Express your answer using two significant figures.
VE ΑΣΦΑΙΡΟ
B = 40
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Part B
X Incorrect; Try Again; 29 attempts remaining
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0 = 3.7
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?
At what angle will the force exerted on the wire per meter be equal to 1.6×10-² N ?
Express your answer using two significant figures.
197| ΑΣΦΑ
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?
mT
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please write out all steps and draw diagrams/sketches as needed while using clear notwtatioms and use the units thoroughly. Thanks!
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...
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- The magnetic field in the picture below is uniform and points upward. A wire is normal to the page (going into and out of the paper or computer screen you are looking on). The distance from the wire to point #2 is 1cm. When the wire carries a current, the net magnetic field at point 2 is zero. Point 1 is the same distance from the wire as point 2. Use a vector diagram to determine the net magnetic field at point 1 when the current is on. Point 3 is twice as far from the wire as point 2. Use a vector diagram to determine the net magnetic field at point 3 when the current is on. If the magnetic field at point 3 is 1.0x10-4 T, how much current is flowing in the wire?arrow_forwardAn electron moves with a speed of 5.0×107 m/s in the directions shown in figure 1 below. A 0.50 T magnetic field points in the positive x-direction. Part A What is the magnitude of the magnetic force in Figure 1)?Express your answer with the appropriate units. Part B What is the direction of the magnetic force in Figure 1)?A 45 ∘ to +y and +z B 45 ∘ to +x and −z C +z directionD −z directionarrow_forwardAn electron moves with a speed of 5.0×107 m/s in the directions shown in Figure 2 below. A 0.50 T magnetic field points in the positive x-direction. Part A What is the magnitude of the magnetic force in Figure 2)?Express your answer with the appropriate units. Part B What is the direction of the magnetic force in Figure 2?A 45 ∘ to −y and −z B 45 ∘ to +y and +z C −y directionD +z directionarrow_forward
- An electron moves along the z-axis with v = 2.9 x 107 m/s. As it passes the origin, what are the strength and direction of the magnetic field at the following (z, y, z) positions? Correct Part B (0 cm. 0 cm, 2 cm) Express your answers using two significant figures. Enter your answers numerically separated by commas. > View Available Hint(s) B2, By, B; = 0,0,0 T Previous Answers Correct Part C (0 cm 2 cm.2 cm) Express your answers using two significant figures. Enter your answers numerically separated by commas. > View Available Hint(s) να ΑΣφ redo B. By, B: = ( -1.16•10¯17 0,0) O You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answersarrow_forwardLearning Goal: To understand the magnetic force on a straight current- carrying wire in a uniform magnetic field. What is the direction of the magnetic force acting on the wire in Part B due to the applied magnetic field? Magnetic fields exert forces on moving charged particles, whether those charges are moving independently or are confined to a current-carrying due north wire. The magnetic force F on an individual moving charged particle depends on its velocity v and charge q. In the case of a current-carrying wire, many charged particles are simultaneously in motion, so the magnetic force denends on the total current I and the lenath of due south due east O due west Figure O straight up O straight down Up Part D W + Now let us assume that we are able to reorientate the wire in (Figure 1) and therefore the direction of current flow. S Down Which of the following situations would result in a magnetic force on the wire that points due north? Check all that apply.arrow_forwardWrite the Biot-Savart law and explain briefly what each term in it represents. Explain also the difference between the magnetic field calculated through the Biot-Savart law and the magnetic field that appears in the magnetic force.arrow_forward
- In the diagram at right, an uncharged conducting bar is moving with constant velocity v to the left through a region where there is a uniform magnetic field pointing out of the page. What charge distribution will the bar have, as a result of its motion? B out of page The bottom of the bar will have positive charge, and the top of the bar will have negative charge. The bar will remain electrically neutral at all points. The top of the bar will have positive charge, and the bottom of the bar will have negative charge. The right side of the bar will have positive charge, and the left side of the bar will have negative charge. The bar will gain a net positive charge, distributed uniformly along its length. The bar will gain a net negative charge, distributed uniformly along its length, The left side of the bar will have positive charge, and the right side of the bar will have negative charge.arrow_forwardPlease make sure to justify and show your procedure with each step. Please make sure to answer all the questions.arrow_forwardNeeds Complete typed solution with 100 % accuracy.arrow_forward
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