A long, fine wire is wound into a coil with inductance 5 mH. The coil is connected across the terminals of a battery, and the current is measured a few seconds alter the connection is made. The wire is unwound and wound again into a different coil with L = 10 mH. This second coil is connected across the same battery, and the current is measured in the same way. Compared with the current in the first coil, is the current in the second coil (a) four times as large, (b) twice as large, (c) unchanged, (d) half as large, or (e) one-fourth as large?

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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
Section
Chapter 32, Problem 32.2OQ
Textbook Problem

A long, fine wire is wound into a coil with inductance 5 mH. The coil is connected across the terminals of a battery, and the current is measured a few seconds alter the connection is made. The wire is unwound and wound again into a different coil with L = 10 mH. This second coil is connected across the same battery, and the current is measured in the same way. Compared with the current in the first coil, is the current in the second coil (a) four times as large, (b) twice as large, (c) unchanged, (d) half as large, or (e) one-fourth as large?

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Chapter 32 Solutions

Physics for Scientists and Engineers, Technology Update (No access codes included)
Ch. 32 - If the current in an inductor is doubled, by what...Ch. 32 - Initially, an inductor with no resistance carries...Ch. 32 - Consider this thesis: Joseph Henry, Americas first...Ch. 32 - (a) What parameters affect the inductance of a...Ch. 32 - A switch controls the current in a circuit that...Ch. 32 - Consider the four circuits shown in Figure CQ32.4,...Ch. 32 - The current in a circuit containing a coil, a...Ch. 32 - (a) Can an object exert a force on itself? (b)...Ch. 32 - The open switch in Figure CQ32.7 is thrown closed...Ch. 32 - After the switch is dosed in the LC circuit shown...Ch. 32 - How can you tell whether an RLC circuit is...Ch. 32 - Discuss the similarities between the energy stored...Ch. 32 - A coil has an inductance of 3.00 mH, and the...Ch. 32 - A coiled telephone cord forms a spiral with 70.0...Ch. 32 - A 2.00-H inductor carries a steady current of...Ch. 32 - A solenoid of radius 2.50 cm has 400 turns and a...Ch. 32 - An emf of 24.0 mV Ls induced in a 500-turn coil...Ch. 32 - A 40.0-mA current is carried by a uniformly wound...Ch. 32 - The current in a toil changes from 3.50 A to 2.00...Ch. 32 - A technician wraps wire around a tube of length...Ch. 32 - The current in a 90.0-mH inductor changes with...Ch. 32 - An inductor in the form of a solenoid contains 420...Ch. 32 - A sell-induced emf in a solenoid of inductance L...Ch. 32 - A toroid has a major radius R and a minor radius r...Ch. 32 - A 10.0-mH inductor carries a current i = Imax sin...Ch. 32 - The current in a 4.00 mH-inductor varies in time...Ch. 32 - A 510-turn solenoid has a radius of 8.00 mm and an...Ch. 32 - A 12.0-V battery is connected into a series...Ch. 32 - A series RL circuit with L = 3.00 H and a series...Ch. 32 - In the circuit diagrammed in Figure P32.18, take ...Ch. 32 - Consider the circuit shown in Figure P32.19. (a)...Ch. 32 - When the switch in Figure P32.18 is closed, the...Ch. 32 - A circuit consists of a coil, a switch, and a...Ch. 32 - Show that i = Iiet/ is a solution of the...Ch. 32 - In the circuit shown in Figure P32.18, let L =...Ch. 32 - Consider the circuit in Figure P32.18, taking =...Ch. 32 - The switch in Figure P31.15 is open for t 0 and...Ch. 32 - The switch in Figure P31.15 is open for t 0 and...Ch. 32 - For the RL circuit shown in Figure P32.18, let the...Ch. 32 - Consider the current pulse i(t) shown in Figure...Ch. 32 - An inductor that has an inductance of 15.0 H and a...Ch. 32 - Two ideal inductors, L1 and L2, have zero internal...Ch. 32 - A 140-mH inductor and a 4.90- resistor are...Ch. 32 - Calculate the energy associated with the magnetic...Ch. 32 - An air-core solenoid with 68 turns is 8.00 cm long...Ch. 32 - A 10.0-V battery, a 5.00- resistor, and a 10.0-H...Ch. 32 - On a clear day at a certain location, a 100-V/m...Ch. 32 - Complete the calculation in Example 31.3 by...Ch. 32 - A 24.0-V battery is connected in series with a...Ch. 32 - A flat coil of wire has an inductance of 40.0 mH...Ch. 32 - The magnetic field inside a superconducting...Ch. 32 - An emf of 96.0 mV is induced in the windings of a...Ch. 32 - Two coils, held in fixed positions, have a mutual...Ch. 32 - Two coils are close to each other. The first coil...Ch. 32 - Two solenoids A and B, spaced close to each other...Ch. 32 - Solenoid S1 has N1 turns, radius R1, and length ....Ch. 32 - On a printed circuit board, a relatively long,...Ch. 32 - Two single-turn circular loops of wire have radii...Ch. 32 - In the circuit of Figure P31.29, the battery emf...Ch. 32 - A 1.05-H inductor is connected in series with a...Ch. 32 - A 1.00-F capacitor is charged by a 40.0-V power...Ch. 32 - Calculate the inductance of an LC circuit that...Ch. 32 - An LC circuit consists of a 20.0-mH inductor and a...Ch. 32 - Why is the following situation impossible? The LC...Ch. 32 - The switch in Figure P32.53 is connected to...Ch. 32 - An LC circuit like that in Figure P31.30 consists...Ch. 32 - An LC circuit like the one in Figure CQ32.8...Ch. 32 - Show that Equation 32.28 in the text Ls Kirchhoffs...Ch. 32 - In Figure 31.15, let R = 7.60 , L = 2.20 mH, and C...Ch. 32 - Consider an LC circuit in which L = 500 mH and C=...Ch. 32 - Electrical oscillations are initiated in a series...Ch. 32 - Review. Consider a capacitor with vacuum between...Ch. 32 - A 1.00-mH inductor and a 1.00-F capacitor are...Ch. 32 - An inductor having inductance I. and a capacitor...Ch. 32 - A capacitor in a series LC circuit has an initial...Ch. 32 - In the circuit diagrammed in Figure P31.15, assume...Ch. 32 - When the current in the portion of the circuit...Ch. 32 - At the moment t = 0, a 24.0-V battery is connected...Ch. 32 - (a) A flat, circular coil does not actually...Ch. 32 - Why is the following situation impossible? You are...Ch. 32 - A time-varying current i is sent through a 50.0-mH...Ch. 32 - At t = 0, the open switch in Figure P31.46 is...Ch. 32 - The toroid in Figure P32.71 consists of N turns...Ch. 32 - The toroid in Figure P32.71 consists of N turns...Ch. 32 - Review. A novel method of storing energy has been...Ch. 32 - Review. In an experiment carried out by S. C....Ch. 32 - Review. The use of superconductors has been...Ch. 32 - Review. A fundamental property of a type 1...Ch. 32 - A wire of nonmagnetic material, with radius R,...Ch. 32 - In earlier times when many households received...Ch. 32 - Assume the magnitude of the magnetic field outside...Ch. 32 - In Figure P31.52, the battery has emf = 18.0 V...Ch. 32 - To prevent damage from arcing in an electric...Ch. 32 - One application of an RL circuit is the generation...Ch. 32 - Two inductors having inductances L1 and L2 are...

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