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Physics for Scientists and Enginee...

9th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305116399
BuyFind

Physics for Scientists and Enginee...

9th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305116399

Solutions

Chapter 30, Problem 30.76CP
Textbook Problem

A wire is formed into the shape of a square of edge length L (Fig. P29.50). Show that when the current in the loop is I, the magnetic field at point P a distance x from the center of the square along its axis is

B = μ 0 I L 2 2 π ( x 2 + L 2 / 4 ) x 2 + L 2 / 2

Figure P29.50

Chapter 30, Problem 30.76CP, A wire is formed into the shape of a square of edge length L (Fig. P29.50). Show that when the

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Chapter 30 Solutions

Physics for Scientists and Engineers, Technology Update (No access codes included)
Ch. 30 - A long, vertical, metallic wire carries downward...Ch. 30 - Suppose you are facing a tall makeup mirror on a...Ch. 30 - A long, straight wire carries a current I (Fig....Ch. 30 - Two long, parallel wires carry currents of 20.0 A...Ch. 30 - Consider the two parallel wires carrying currents...Ch. 30 - What creates a magnetic Hold? More than one answer...Ch. 30 - A long solenoid with closely spaced turns carries...Ch. 30 - A uniform magnetic field is directed along the x...Ch. 30 - Rank the magnitudes of the following magnetic...Ch. 30 - Solenoid A has length L and N turns, solenoid B...Ch. 30 - Is the magnetic field created by a current loop...Ch. 30 - One pole of a magnet attracts a nail. Will the...Ch. 30 - Compare Ampres law with the Biot-Savart law. Which...Ch. 30 - A hollow copper tube carries a current along its...Ch. 30 - Imagine you have a compass whose needle can rotate...Ch. 30 - Is Ampres law valid for all closed paths...Ch. 30 - A magnet attracts a piece of iron. The iron can...Ch. 30 - Why does hitting a magnet with a hammer cause the...Ch. 30 - The quantity B ds in Amperes law is called...Ch. 30 - Figure CQ30.10 shows four permanent magnets, each...Ch. 30 - Explain why two parallel wires carrying currents...Ch. 30 - Consider a magnetic field that is uniform in...Ch. 30 - Review. In studies of the possibility of migrating...Ch. 30 - In each of parts (a) through (c) of Figure P30.2....Ch. 30 - Calculate the magnitude of the magnetic field at a...Ch. 30 - Calculate the magnitude of the magnetic field at a...Ch. 30 - (a) A conducting loop in the shape of a square of...Ch. 30 - In Niels Bohrs 1913 model of the hydrogen atom, an...Ch. 30 - A conductor consists of a circular loop of radius...Ch. 30 - A conductor consists of a circular loop of radius...Ch. 30 - Two long, straight, parallel wires carry currents...Ch. 30 - An infinitely long wire carrying a current I is...Ch. 30 - A long, straight wire carries a current I. A...Ch. 30 - Consider a flat, circular current loop of radius R...Ch. 30 - A current path shaped as shown in Figure P30.13...Ch. 30 - One long wire carries current 30.0 A to the left...Ch. 30 - Three long, parallel conductors each carry a...Ch. 30 - In a long, .straight, vertical lightning stroke,...Ch. 30 - Determine the magnetic field (in terms of I, a,...Ch. 30 - A wire carrying a current I is bent into the shape...Ch. 30 - Determine the magnetic field (in terms of I, a,...Ch. 30 - Two long, parallel wires carry currents of I1 =...Ch. 30 - Two long, parallel conductors, separated by 10.0...Ch. 30 - Two parallel wires separated by 4.00 cm repel each...Ch. 30 - Two parallel wires are separated by 6.00 cm, each...Ch. 30 - Two long wires hang vertically. Wire 1 carries an...Ch. 30 - In Figure P30.25, the current in the long,...Ch. 30 - In Figure P30.25, the current in the long,...Ch. 30 - Two long, parallel wires are attracted to each...Ch. 30 - Why is the following situation impossible? Two...Ch. 30 - The unit of magnetic flux is named for Wilhelm...Ch. 30 - Niobium metal becomes a superconductor when cooled...Ch. 30 - Figure P30.31 Is a cross-sectional view of a...Ch. 30 - The magnetic coils of a tokamak fusion reactor are...Ch. 30 - A long, straight wire lies on a horizontal table...Ch. 30 - An infinite sheet of current lying in the yz plane...Ch. 30 - The magnetic field 40.0 cm away from a long,...Ch. 30 - A packed bundle of 100 long, straight, insulated...Ch. 30 - The magnetic field created by a large current...Ch. 30 - A long, cylindrical conductor of radius R carries...Ch. 30 - Four long, parallel conductors carry equal...Ch. 30 - A certain superconducting magnet in the form of a...Ch. 30 - A long solenoid that has 1 000 turns uniformly...Ch. 30 - You are given a certain volume of copper from...Ch. 30 - A single-turn square loop of wire, 2.00 cm on each...Ch. 30 - A solenoid 10.0 cm in diameter and 75.0 cm long is...Ch. 30 - It is desired to construct a solenoid that will...Ch. 30 - Consider the hemispherical closed surface in...Ch. 30 - A cube of edge length l=2.50 cm is positioned as...Ch. 30 - A solenoid of radius r = 1.25 cm and length =...Ch. 30 - The magnetic moment of the Earth is approximately...Ch. 30 - At saturation, when nearly all the atoms have...Ch. 30 - A 30.0-turn solenoid of length 6.00 cm produces a...Ch. 30 - A wire carries a 7.00-A current along the x axis,...Ch. 30 - Suppose you install a compass on the center of a...Ch. 30 - Why is the following situation impossible? The...Ch. 30 - A nonconducting ring of radius 10.0 cm is...Ch. 30 - A nonconducting ring of radius R is uniformly...Ch. 30 - A very long, thin strip of metal of width w...Ch. 30 - A circular coil of five turns and a diameter of...Ch. 30 - A very large parallel-plate capacitor has uniform...Ch. 30 - Two circular coils of radius R, each with N turns,...Ch. 30 - Two identical, flat, circular coils of wire each...Ch. 30 - Two circular loops are parallel, coaxial, and...Ch. 30 - Two long, straight wires cross each other...Ch. 30 - Two coplanar and concentric circular loops of wire...Ch. 30 - As seen in previous chapters, any object with...Ch. 30 - Review. Rail guns have been suggested for...Ch. 30 - Fifty turns of insulated wire 0.100 cm in diameter...Ch. 30 - An infinitely long, straight wire carrying a...Ch. 30 - Consider a solenoid of length and radius a...Ch. 30 - We have seen that a long solenoid produces a...Ch. 30 - A thin copper bar of length l = 10.0 cm is...Ch. 30 - In Figure P30.72, both currents in the infinitely...Ch. 30 - A wire carrying a current I is bent into the shape...Ch. 30 - A sphere of radius R has a uniform volume charge...Ch. 30 - A long, cylindrical conductor of radius a has two...Ch. 30 - A wire is formed into the shape of a square of...Ch. 30 - The magnitude of the force on a magnetic dipole ...

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