Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Question
Chapter 36, Problem 30A
To determine
To Explain:Whetherthe northward-pointing needlepoint northward when the compass is brought to the southern hemisphere.
Expert Solution & Answer
Answer to Problem 30A
Northward-pointing needlepoint north-ward when a compass is brought to the southern hemisphere.
Explanation of Solution
Introduction:
A magnet compass points to the geographic north pole.The Earth's magnetic polesare not the same as geographic poles.
Explanation:
A magnetic pole near to the earth’s geographic north pole is the south magnetic pole. The opposite poles of two magnets attract. Therefore, the north pole attracts the south pole towards it.
The direction of magnetic field lines is from the north pole of the magnet to the south pole. So that, the magnetic field lines of the earth are directed from the southern geographic hemisphere tothe northern hemisphere.
Conclusion:
The magnetic field lines always run from the north pole to the south pole. Therefore, northward-pointing needlepoint northward when a compass brought to the southern hemisphere.
Chapter 36 Solutions
Conceptual Physics: The High School Physics Program
Ch. 36 - Prob. 1ACh. 36 - Prob. 2ACh. 36 - Prob. 3ACh. 36 - Prob. 4ACh. 36 - What is so special about iron that makes each iron...Ch. 36 - What is a magnetic domain?Ch. 36 - Prob. 7ACh. 36 - How can a piece of iron be induced into becoming a...Ch. 36 - Prob. 9ACh. 36 - Prob. 10A
Ch. 36 - If a current-carrying wire is bent into a loop,...Ch. 36 - Prob. 12ACh. 36 - Prob. 13ACh. 36 - Prob. 14ACh. 36 - How does the direction in which a current-carrying...Ch. 36 - How do the concepts of force, field, and current...Ch. 36 - Why is it important that the current in the...Ch. 36 - What is meant by magnetic declination?Ch. 36 - Prob. 19ACh. 36 - What are magnetic pole reversals, and what...Ch. 36 - The electromagnets A, B, and C are shown below....Ch. 36 - Three pairs of electromagnets made with identical...Ch. 36 - Since every iron atom is a tiny magnet, why arent...Ch. 36 - An electron always experiences a force in an...Ch. 36 - What kind of field surrounds a stationary electric...Ch. 36 - Why can iron be made to behave as a magnet while...Ch. 36 - Prob. 27ACh. 36 - A friend tells you that a refrigerator door,...Ch. 36 - Since iron filings are not themselves magnets, by...Ch. 36 - Prob. 30ACh. 36 - A strong magnet and a weak magnet attract each...Ch. 36 - Prob. 32ACh. 36 - Why will the magnetic field strength be further...Ch. 36 - Can an electron be set into motion with a magnetic...Ch. 36 - In what direction relative to a magnetic field a...Ch. 36 - When a current-carrying wire is placed in a strong...Ch. 36 - A magnetic field can deflect a beam of electrons,...Ch. 36 - A cyclotron is a device for accelerating charged...Ch. 36 - By present-day custom, the direction of electric...Ch. 36 - Prob. 40ACh. 36 - How do the input and output parts of a generator...Ch. 36 - Your friend says that if you crank the shaft of a...Ch. 36 - Residents of northern Canada are bombarded by more...Ch. 36 - What changes in cosmic ray intensity at Earths...Ch. 36 - Earths core is probably composed of iron and...Ch. 36 - An iron bar can be easily magnetized by aligning...
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