Concept explainers
Whether a piece of metal is magnetized or not.
Explanation of Solution
Introduction:
A magnet is an object that produces its own magnetic field which interacts with external magnetic fields. A magnet has two poles, north and south. The law for magnets is that similar poles repel each other while dissimilar poles attract towards each other.
A magnetized metal acts as a magnet in the sense that it has poles and it is attracted to opposite pole and repels same poles. Therefore, if a side of the metal is attracted to both the poles of a magnet it is not magnetized. If one side of the nail attracts one side of the magnet and repels the other, it is magnetized.
Conclusion:
If a side of the metal is attracted to both the poles of a magnet it is not magnetized. If one side of the nail attracts one side of the magnet and repels the other, it is magnetized.
Chapter 24 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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