PHYSICS F./SCI... W/MOD V.II W/KIT
4th Edition
ISBN: 9780134819884
Author: GIANCOLI
Publisher: PEARSON
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Chapter 28, Problem 3P
To determine
The magnitude and the direction of the force between two parallel wires.
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Calculate the magnitude of the B-field at point 'p'.
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Chapter 28 Solutions
PHYSICS F./SCI... W/MOD V.II W/KIT
Ch. 28.1 - In Example 2510 we saw that a typical lightning...Ch. 28.1 - Suppose both I1 and I2 point into the page in Fig....Ch. 28.4 - Prob. 1CECh. 28 - The magnetic field due to current in wires in your...Ch. 28 - Compare and contrast the magnetic field due to a...Ch. 28 - Two insulated long wires carrying equal currents I...Ch. 28 - Prob. 4QCh. 28 - A horizontal current-carrying wire, free to move...Ch. 28 - (a) Write Ampres law for a path that surrounds...Ch. 28 - Suppose the cylindrical conductor of Fig. 2811a...
Ch. 28 - Explain why a field such as that shown in Fig....Ch. 28 - Prob. 9QCh. 28 - Use the Biot-Savart law to show that the field of...Ch. 28 - Prob. 11QCh. 28 - Why does twisting the lead-in wires to electrical...Ch. 28 - Compare the Biot-Savart law with Coulombs law....Ch. 28 - How might you define or determine the magnetic...Ch. 28 - How might you measure the magnetic dipole moment...Ch. 28 - A type of magnetic switch similar to a solenoid is...Ch. 28 - A heavy magnet attracts, from rest, a heavy block...Ch. 28 - Will a magnet attract any metallic object, such as...Ch. 28 - An unmagnetized nail will not attract an...Ch. 28 - Prob. 20QCh. 28 - Prob. 21QCh. 28 - Prob. 22QCh. 28 - Prob. 23QCh. 28 - Two iron bars attract each other no matter which...Ch. 28 - Describe the magnetization curve for (a) a...Ch. 28 - Prob. 26QCh. 28 - (I) Jumper cables used to start a stalled vehicle...Ch. 28 - (I) If an electric wire is allowed to produce a...Ch. 28 - Prob. 3PCh. 28 - Prob. 4PCh. 28 - Prob. 5PCh. 28 - (II) An experiment on the Earths magnetic field is...Ch. 28 - Prob. 7PCh. 28 - At the location of the compass, the magnetic field...Ch. 28 - (II) A long horizontal wire carries 24.0 A of...Ch. 28 - (II) A straight stream of protons passes a given...Ch. 28 - (II) Determine the magnetic field midway between...Ch. 28 - (II) Two straight parallel wires are separated by...Ch. 28 - (II) Two long straight wires each carry a current...Ch. 28 - (II) A long pair of insulated wires serves to...Ch. 28 - (II) A third wire is placed in the plane of the...Ch. 28 - (II) A power line carries a current of 95 A west...Ch. 28 - (II) A compass needle points 28 E of N outdoors....Ch. 28 - Prob. 18PCh. 28 - (II) Let two long parallel wires, a distance d...Ch. 28 - (II) Repeat Problem 19 if the wire at x = 0...Ch. 28 - (II) Two long wires are oriented so that they are...Ch. 28 - (II) Two long parallel wires 8.20 cm apart carry...Ch. 28 - (III) A very long flat conducting strip of width d...Ch. 28 - (III) A triangular loop of side length a carries a...Ch. 28 - Prob. 25PCh. 28 - Prob. 26PCh. 28 - (I) A 2.5-mm-diameter copper wire carries a 33-A...Ch. 28 - (II) A toroid (Fig. 2817) has a 50.0-cm inner...Ch. 28 - Prob. 29PCh. 28 - (II) (a) Use Eq. 281, and the vector nature of B,...Ch. 28 - (II) A coaxial cable consists of a solid inner...Ch. 28 - (III) Suppose the current in the coaxial cable of...Ch. 28 - Prob. 33PCh. 28 - (II) A wire, in a plane, has the shape shown in...Ch. 28 - (II) A circular conducting ring of radius R is...Ch. 28 - (II) A small loop of wire of radius 1.8 cm is...Ch. 28 - Prob. 37PCh. 28 - Prob. 38PCh. 28 - Prob. 39PCh. 28 - Prob. 40PCh. 28 - Prob. 41PCh. 28 - (III) Use the result of Problem 41 to find the...Ch. 28 - (III) A wire is bent into the shape of a regular...Ch. 28 - Prob. 44PCh. 28 - Prob. 45PCh. 28 - (III) A square loop of wire, of side d, carries a...Ch. 28 - (II) An iron atom has a magnetic dipole moment of...Ch. 28 - (I) The following are some values of B and B0 for...Ch. 28 - (I) A large thin toroid has 285 loops of wire per...Ch. 28 - (II) An iron-core solenoid is 38 cm long and 1.8...Ch. 28 - Three long parallel wires are 3.5 cm from one...Ch. 28 - Prob. 52GPCh. 28 - Prob. 53GPCh. 28 - Prob. 54GPCh. 28 - Two long straight parallel wires are 15 cm apart....Ch. 28 - A rectangular loop of wire carries a 2.0-A current...Ch. 28 - Prob. 57GPCh. 28 - A long horizontal wire carries a current of 48 A....Ch. 28 - A square loop of wire, of side d, carries a...Ch. 28 - Prob. 60GPCh. 28 - Prob. 61GPCh. 28 - For two long parallel wires separated by a...Ch. 28 - Near the Earths poles the magnetic field is about...Ch. 28 - A 175-g model airplane charged to 18.0 mC and...Ch. 28 - Suppose that an electromagnet uses a coil 2.0 m in...Ch. 28 - Four hour long straight parallel wires located at...Ch. 28 - Prob. 67GPCh. 28 - A thin 12-cm-long solenoid has a total of 420...Ch. 28 - A 550-turn solenoid is 15 cm long. The current...Ch. 28 - Prob. 70GPCh. 28 - Prob. 71GPCh. 28 - Prob. 72GPCh. 28 - Prob. 73GPCh. 28 - Prob. 74GPCh. 28 - (II) A circular current loop of radius 15 cm...Ch. 28 - (III) A set of Helmholtz coils (see Problem 61,...
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- The figure below shows, in cross section, four wires that are parallel, straight and very long. The currents in the wires are as follows: i1 = 148 A, i2 = 246 A, i3 = 297 A, and i4 = 78.0 A. The distance shown is 0.0360 m. What is the magnitude of the force per unit length on wire 2?arrow_forwardI need the answer as soon as possiblearrow_forwardTwo straight, parallel, superconducting wires, 4.5 mm apart from each other, carry equal currents of 15, 000 A in the same directions. They are both 3 meters long. What force per unit length does each wire exert on the other? Is the force attractive or repulsive?arrow_forward
- A long straight wire carries a current of 35 A. What is the magnitude of the field B at a point 20 cm from the wire?arrow_forwardIn the figure below, five long parallel wires in an xy plane are separated by distance d = 40.0 cm. The currents into the page are i₁ = 1.50 A, i3 = 0.450 A, i4 = 4.90 A, and is = 1.50 A; the current out of the page is i2= 3.00 A. What is the magnitude of the net force per unit length acting on wire 3 due to the currents in the other wires? 2 O 8 4 5 O O -o-y -d--d--d--d-arrow_forwardIn Fig. 29-64, five long parallel wires in an xy plane are separated by distance d = 50.0 cm. The currents into the page are i1 = 2.00 A, i3 = 0.250 A, i4 = 4.00 A, and i5 = 2.00 A; the current out of the page is i2 = 4.00 A. What is the magnitude of the net force per unit length acting on wire 3 due to the currents in the other wires?arrow_forward
- A long horizontal wire carries a curren such that 12.13 x 1018 electrons per second flow through any given point from left to right. What is the magnitude of the field of the long wire at a point 20mm parallel to its north? Two straight, parallel, current-carrying wires separated by a distance of 75.5mm carry the same 22 350 A-currents, flowing in similar directions. What is the force per unit length exerted by the two wires upon each other? A distance of 3 cm separates two straight, parallel, current-carrying wires with currents 18 500 A and 19 350 A, respectively. What is the force per unit length exerted by the two wires upon each other?arrow_forwardTwo horizontally displaced long parallel wires have currents flowing as shown. The distance between the wires is d = 0.0350m. The current IA in wire A is 8.50 (A), OUT. The current IB in wire B is 9.50 (A), IN. Note: µo = 1.257x10-6 T·m/A= 4π x10-7 T·m/A. For parts (a), (b) and (c) see figure 1; for part (d), figure 2.(a) What is the magnitude and direction of the magnetic field due to wire A at midpoint P of the perpendicular segment between the wires?(b) What is the magnitude and direction of the magnetic field due to wire B at midpoint P of the perpendicular segment between the wires?(c) What is the magnitude and direction of the net magnetic field due to both wires at midpoint P of the segment?(d) Now turn your attention to figure 2. What is the magnitude and direction of the force on a 1.00 m section of wire B due to the field from wire A? Indicate the direction of the force on wire B with an arrow whose tail is at wire B. SHOW WORK INCLUDING GRAPHICAL ELEMENTS YOU DRAW IN…arrow_forwardA 8.80-μC charge is moving with a speed of 6.50 x 104 m/s parallel to a very long, straight wire. The wire is 5.50 cm from the charge and carries a current of 71.0 A. Find the magnitude of the force on the charge.arrow_forward
- Two very long coaxial cylindrical conductors are shown in cross-section below. The inner cylinder has radius a = 2 cm and caries a total current of I1 = 1.0 A in the positive z-direction (pointing out of the page). The outer cylinder has an inner radius b = 4 cm, outer radius c = 6 cm and carries a current of I2 = 2.0 A in the negative z-direction (pointing into the page). You may assume that the current is uniformly distributed over the cross-sectional area of the conductors. a) Calculate the magnitude and direction of the magnetic field at a radius of r=20 cm. b) Calculate the magnitude and direction of the magnetic field at a radius of r=3 cm.arrow_forwardThe figure shows a cross section of three parallel wires each carrying a current of 24 A. The currents in wires B and C are out of the paper, while that in wire A is into the paper. If the distance R = 25.0 mm, what is the magnitude of the force on a 4.0-m length of wire A?arrow_forward28.63 Two long, straight, parallel wires are 1.00 m apart (Figure P28.63). The wire on the left carries a current 11 of 6.00 A into the plane of the paper. (a) What must the magnitude and direction of the current 12 be for the net field at point P to be zero? (b) Then what are the magnitude and direction of the net field at Q? (c) Then what is the magnitude of the net field at S?arrow_forward
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