10th Edition

ISBN: 9780321902788

Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain

Publisher: PEARSON

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Textbook Question

Chapter 21, Problem 11CQ

A metal ring can be moved into and out of the space between the poles of a horseshoe magnet. Show that you must do work both to push it in and to pull it out.

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Chapter 21, Problem 10CQ

Chapter 21, Problem 12CQ

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Chapter 21 Solutions

College Physics (10th Edition)

Ch. 21 - Prob. 1CQ Ch. 21 - Suppose you drop a cylindrical magnet down a long,...Ch. 21 - A long, straight current-carrying wire passes...Ch. 21 - Two closely wound circular coils have the same...Ch. 21 - Prob. 5CQ Ch. 21 - Why does a transformer not work with dc current?Ch. 21 - Does Lenzs law say that the induced current in a...Ch. 21 - Does Faradays law say that a large magnetic flux...Ch. 21 - An airplane is in level flight over Antarctica,...Ch. 21 - Prob. 10CQ

Ch. 21 - A metal ring can be moved into and out of the...Ch. 21 - Prob. 12CQ Ch. 21 - A square loop of wire is pulled upward out of the...Ch. 21 - The two solenoids in Figure 21.36 are coaxial and...Ch. 21 - A metal ring is oriented with the plane of its...Ch. 21 - Prob. 4MCP Ch. 21 - A metal loop moves at constant velocity toward a...Ch. 21 - A steady current of 1.5 A flows through the...Ch. 21 - Suppose you continue to hold the current in the...Ch. 21 - A vertical bar moves horizontally at constant...Ch. 21 - The vertical loops A and C in Figure 21.41 e are...Ch. 21 - The vertical loops A and C in Figure 21.41 e are...Ch. 21 - After the switch S in the circuit in Figure 21.42...Ch. 21 - A metal loop is being pushed at a constant...Ch. 21 - A circular area with a radius of 6.50 cm lies in...Ch. 21 - Prob. 2P Ch. 21 - An empty cylindrical food container with a lid on...Ch. 21 - A single loop of wire with an area of 0.0900 m2 is...Ch. 21 - A coil of wire with 200 circular turns of radius...Ch. 21 - In a physics laboratory experiment, a coil with...Ch. 21 - A closely wound rectangular coil of 80 turns has...Ch. 21 - Prob. 8P Ch. 21 - Prob. 9P Ch. 21 - A circular loop of wire a radius of 12.0 cm is...Ch. 21 - A cardboard tube is wrapped with windings of...Ch. 21 - A circular loop of wire is in a soalially uniform...Ch. 21 - Prob. 13P Ch. 21 - A solenoid carrying a current i is moving toward a...Ch. 21 - A metal bar is pulled to the right perpendicular...Ch. 21 - Two closed loops A and C are close to a long wire...Ch. 21 - A bar magnet is held above a circular loop of wire...Ch. 21 - The current in Figure 21.54 obeys the equation I =...Ch. 21 - A bar magnet is close to a metal loop. When this...Ch. 21 - A very thin 15.0 cm copper bar is aligned...Ch. 21 - When a thin 12.0 cm iron rod moves with a constant...Ch. 21 - You wish to produce a potential difference of 10 V...Ch. 21 - A 1.41 m bar moves through a uniform, 1.20 T...Ch. 21 - The conducting rod ab shown in Figure 21.58 makes...Ch. 21 - BO Measuring blood flow. Blood contains positive...Ch. 21 - Prob. 26P Ch. 21 - Prob. 27P Ch. 21 - Prob. 28P Ch. 21 - Prob. 29P Ch. 21 - Prob. 30P Ch. 21 - Prob. 31P Ch. 21 - Prob. 32P Ch. 21 - Prob. 33P Ch. 21 - Prob. 34P Ch. 21 - Prob. 35P Ch. 21 - A transformer consists of 275 primary windings and...Ch. 21 - You need a transformer that will draw 15 W of...Ch. 21 - A step-up transformer. A transformer connected to...Ch. 21 - Prob. 39P Ch. 21 - Prob. 40P Ch. 21 - Prob. 41P Ch. 21 - A solenoid 25.0 cm long and with a cross-sectional...Ch. 21 - Prob. 43P Ch. 21 - Prob. 44P Ch. 21 - Prob. 45P Ch. 21 - Prob. 46P Ch. 21 - Prob. 47P Ch. 21 - Prob. 48P Ch. 21 - Prob. 49P Ch. 21 - A 12.0 F capacitor and a 5.25 mH inductor are...Ch. 21 - Prob. 51P Ch. 21 - A 15.0 F capacitor is charged to 175 C and then...Ch. 21 - Prob. 53GP Ch. 21 - A rectangular circuit is moved at a constant...Ch. 21 - Prob. 55GP Ch. 21 - A flexible circular loop 6.50 cm in diameter lies...Ch. 21 - Prob. 57GP Ch. 21 - Prob. 58GP Ch. 21 - Consider the circuit in Figure 21.64 (a) Just...Ch. 21 - How many turns does this typical MRI magnet have?...Ch. 21 - BIO Quenching an MRI magnet. Magnets carrying very...Ch. 21 - If part of the magnet develops resistance and...Ch. 21 - BIO Quenching an MRI magnet. Magnets carrying very...Ch. 21 - Prob. 64PP Ch. 21 - Consider the brain tissue at the level of the...Ch. 21 - Prob. 66PP Ch. 21 - Which graph best represents the time t dependence...

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A metal ring can be moved into and out of the space between the poles of a horseshoe magnet. Show that you must do work both to push it in and to pull it out.

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Chapter 21 Solutions

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