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How can you prove that repulsion is a sure test of magnetisation
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Asked 1/29/2009 11:32:32 AM
Updated 18 days ago|3/31/2025 10:59:13 AM
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Edited by oldwallet [3/31/2025 10:59:13 AM]
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User: How can you prove that repulsion is a sure test of magnetisation



Weegy: First, of course, the fact that two metal bars, when brought together in the correct orientation, repel each other tells us immediately that both have to be magnets. [ Both have to be magnets, because a simple iron bar would be attracted by either side of the magnet and not repelled. No other known force does that, EXCEPT perhaps two metal objects that we have charged up electrically with the same charge, i.e. both positive or both negative. Well, that throws a wrinkle into the test, does it? Of course, it is very hard to keep two metal bars charged. And if you touch them with anything, the charge is gone, and the repulsion won't happen again. This way you can differentiate your magnets. Second, let me say that I wouldn't state your question that categorically in the sense that "repulsion is the only sure test". We have three different macroscopic forces in our everyday world to deal with (I mean without going to the microscopic scale of nuclei of atoms, which feature two more forces): gravitation, electrostatic, and magnetic. ]
Expert answered|riclin1|Points 419|Rating ***** (+83 -0)

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Question
Asked 1/29/2009 11:32:32 AM
Updated 18 days ago|3/31/2025 10:59:13 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Edited by oldwallet [3/31/2025 10:59:13 AM]
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Repulsion is a sure test of magnetization because while both magnetized and unmagnetized materials can be attracted to a magnet, only two magnets with opposite poles repel each other.
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Added 18 days ago|3/31/2025 10:53:02 AM
This answer has been confirmed as correct and helpful.
Confirmed by oldwallet [3/31/2025 10:59:15 AM]
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