You are part of a team working in a machine parts mechanic’s shop. An important customer has asked your company to provide springs with a very precise force constant k . To measure the spring constant, you fasten two of the springs between the ends of two very long wires of length L , separated by the unstretched length ℓ of the springs as shown in Figure P29.15. The specific attachment method that you use insulates the springs from the wires so that no current passes through the springs. You lay the apparatus flat on a table and then pass a current of magnitude I through the wires, in opposite directions. As a result the springs stretch by a distance d and come to equilibrium. You determine an expression for the spring constant in terms of L , I , ℓ , and d . Figure P29.15

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Physics for Scientists and Enginee...

10th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781337553278
BuyFind

Physics for Scientists and Enginee...

10th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781337553278

Solutions

Chapter
Section
Chapter 29, Problem 15P
Textbook Problem

You are part of a team working in a machine parts mechanic’s shop. An important customer has asked your company to provide springs with a very precise force constant k. To measure the spring constant, you fasten two of the springs between the ends of two very long wires of length L, separated by the unstretched length of the springs as shown in Figure P29.15. The specific attachment method that you use insulates the springs from the wires so that no current passes through the springs. You lay the apparatus flat on a table and then pass a current of magnitude I through the wires, in opposite directions. As a result the springs stretch by a distance d and come to equilibrium. You determine an expression for the spring constant in terms of L, I, , and d.

Figure P29.15

Chapter 29, Problem 15P, You are part of a team working in a machine parts mechanics shop. An important customer has asked

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Chapter 29 Solutions

Physics for Scientists and Engineers
Ch. 29 - Consider a flat, circular current loop of radius R...Ch. 29 - Three long, parallel conductors each carry a...Ch. 29 - One long wire carries current 30.0 A to the left...Ch. 29 - Determine the magnetic field (in terms of I, a,...Ch. 29 - A wire carrying a current I is bent into the shape...Ch. 29 - Two long, parallel wires carry currents of I1 =...Ch. 29 - Two parallel wires separated by 4.00 cm repel each...Ch. 29 - Two parallel wires are separated by 6.00 cm, each...Ch. 29 - Two long wires hang vertically. Wire 1 carries an...Ch. 29 - You are part of a team working in a machine parts...Ch. 29 - Why is the following situation impossible? Two...Ch. 29 - The unit of magnetic flux is named for Wilhelm...Ch. 29 - Niobium metal becomes a superconductor when cooled...Ch. 29 - The magnetic coils of a tokamak fusion reactor are...Ch. 29 - A packed bundle of 100 long, straight, insulated...Ch. 29 - The magnetic field 40.0 cm away from a long,...Ch. 29 - A long, cylindrical conductor of radius R carries...Ch. 29 - A long solenoid that has 1 000 turns uniformly...Ch. 29 - A certain superconducting magnet in the form of a...Ch. 29 - You are working at a company that manufactures...Ch. 29 - You are given a certain volume of copper from...Ch. 29 - Consider the hemispherical closed surface in...Ch. 29 - You are working for a company that creates special...Ch. 29 - A solenoid of radius r = 1.25 cm and length =...Ch. 29 - The magnetic moment of the Earth is approximately...Ch. 29 - A 30.0-turn solenoid of length 6.00 cm produces a...Ch. 29 - Why is the following situation impossible? The...Ch. 29 - Suppose you install a compass on the center of a...Ch. 29 - A very long, thin strip of metal of width w...Ch. 29 - A nonconducting ring of radius 10.0 cm is...Ch. 29 - A nonconducting ring of radius R is uniformly...Ch. 29 - A very large parallel-plate capacitor has uniform...Ch. 29 - Two circular coils of radius R, each with N turns,...Ch. 29 - Two identical, flat, circular coils of wire each...Ch. 29 - Two circular loops are parallel, coaxial, and...Ch. 29 - As seen in previous chapters, any object with...Ch. 29 - Review. Rail guns have been suggested for...Ch. 29 - Fifty turns of insulated wire 0.100 cm in diameter...Ch. 29 - An infinitely long, straight wire carrying a...Ch. 29 - Consider a solenoid of length and radius a...Ch. 29 - We have seen that a long solenoid produces a...Ch. 29 - A wire carrying a current I is bent into the shape...Ch. 29 - A sphere of radius R has a uniform volume charge...Ch. 29 - A long, cylindrical conductor of radius a has two...Ch. 29 - A wire is formed into the shape of a square of...Ch. 29 - The magnitude of the force on a magnetic dipole ...

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