A student collects the following data for the strength of the magnetic field at thecenter of circular wire as a function of the electric current:I (A)0.10.20.30.40.50.6B (T)1.1121E-062.2046E-063.3660E-064.3330E-065.4170E-066.3900E-06Plot this data in an Excel spreadsheet to extract the diameter of the wire.0.110 m0.111 m0.112 m0.113 m0.114 m0.115 m0.117 m0.119 m0.120 m0.121 m0.123 m0.,125 m

A student collects the following data for the strength of the magnetic field at the center of circular wire as a function of the electric current: I (A) 0.1 0.2 0.3 0.4 0.5 0.6 Plot this data in an Excel spreadsheet to extract the diameter of the wire. 0.110 m 0.111 m 0.112 m 0.113 m 0.114 m 0.115 m 0.117 m 0.119 m B (T) 1.1121E-06 2.2046E-06 3.3660E-06 4.3330E-06 5.4170E-06 6.3900E-06 0.120 m 0.121 m 0.123 m 0.,125 m

A student collects the following data for the strength of the magnetic field at the center of circular wire as a function of the electric current: I (A) 0.1 0.2 0.3 0.4 0.5 0.6 Plot this data in an Excel spreadsheet to extract the diameter of the wire. 0.110 m 0.111 m 0.112 m 0.113 m 0.114 m 0.115 m 0.117 m 0.119 m B (T) 1.1121E-06 2.2046E-06 3.3660E-06 4.3330E-06 5.4170E-06 6.3900E-06 0.120 m 0.121 m 0.123 m 0.,125 m

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 78AP: (a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle of GOP...

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A 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.
Inside a motor, 30.0 A passes through a 250-turn circular loop that is 10.0 cm in radius. What i5 the magnetic field strength created at its center?
A horizontal power line of length 58 m carries a current of 2.2 kA as shown in Figure P19.34. Earths magnetic field at this location has a magnitude equal to 5.0 105. T and makes an angle of 65 with the power line. Find the magnitude and direction of the magnetic force on the power line. Figure P19.34
A particle’s path is bent when it passes through a region of non-zero magnetic field although its speed remains unchanged. This is very useful for “beam steering’’ in particle accelerators. Consider a proton of speed 4106m/s entering a region of uniform magnetic field 0.2 T over a 5-cm-wide region. Magnetic field is perpendicular to the velocity of the particle. By how much angle will the path of the proton be bent? (Hint: the particle comes out tangent to a circle.
A current path shaped as shown in Figure P30.13 produces a magnetic field at P, the center of the arc. If the arc subtends an angle of = 30.0 and the radius of the arc is 0.600 in. what are the magnitude and direction of the Held produced at P if the current 3.00 A?
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Explain 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.)
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A 5.0-m section of a long, straight wire carries a current of 10 A while in a uniform magnetic field of magnitude 8.0103T . Calculate the magnitude of the force on the section if the angle between the field and the direction of the current is (a) 45°; (b) 90°; (C) 0°; or (d) 180°.
(a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle of GOP with Earth's 5.5105T field. What is the current when tire wire experiences a farce of 7.010N? (b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.75-T field, what force is exerted on this segment of wire?
A strong magnet is placed under a horizontal conducting ring of radius r that carries current I as shown in Figure P28.27. If the magnetic field B makes an angle with the vertical at the rings location, what are (a) the magnitude and (b) the direction of the resultant magnetic force on the ring? Figure P28.27
At a certain location, Earth has a magnetic field of 0.60 104 T, pointing 75 below the horizontal in a north-south plane. A 10.0-m-long straight wire carries a 15-A current, (a) If the current is directed horizontally toward the east, what are the magnitude and direction of the magnetic force on tile wire? (b) What are the magnitude and direction of the force if the current is directed vertically upward?