Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 7.2, Problem 2bT
B. Suppose you hold a magnetic compass near a current-carrying wire as shown.
(A magnetic compass is a magnet that can rotate freely.) The face of the compass is parallel to the tabletop.
1. Predict the orientation of the compass needle when the circuit is complete. Sketch a diagram that shows the wire, the direction of the current through it, the direction of the magnetic field directly below the wire, and the predicted orientation of the compass needle.
2. Check your answer. If the deflection of the needle is not what you predicted, resolve the discrepancy. (Hint: Is there more than one magnetic field affecting the compass?)
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Chapter 7 Solutions
Tutorials in Introductory Physics
Ch. 7.1 - Investigate the objects that you have been given...Ch. 7.1 - Obtain a permanent magnet and an object that is...Ch. 7.1 - The parts of a permanent magnet that interact most...Ch. 7.2 - On an enlargement of the figure below, sketch...Ch. 7.2 - B. Make prediction for the following five...Ch. 7.2 - Suppose you place a small magnet in a magnetic...Ch. 7.2 - B. Suppose you hold a magnetic compass near a...Ch. 7.2 - Now suppose that you hold the compass at some...Ch. 7.2 - Sketch the magnetic field lines of a...Ch. 7.2 - A wire is formed into a and the leads are twisted...
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