Simple magnets have two poles, north and south, and opposite poles attract each other (N attracts S, S attracts N). Likewise, the same pole of two magnets repel (N repels N, S repels S). The Earth has a magnetic field and North and South Poles which enables the use of a magnetic compass to determine direction.
Which of the following is not true about simple magnets?
all of these are untrue |
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same poles repel each other |
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opposite poles attract each other |
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opposite poles repel each other |