Like poles of a magnet:

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Attract each other

Repel each other

Either attract or repel each other

Neither attract nor repel each other

answer is B.

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Detailed Solution

Concept- The concept of 'like repels like' exists in the science of electromagnetic. This means that entities with the same charge or poles (positive or negative) repel one other, whereas entities with opposite charges and magnetic poles attract each other.
'Like repels like' has been seen in electromagnetism in general. This essentially means that entities with the same charge or poles (positive or negative) repel one other, whereas entities with opposite charges and magnetic poles attract each other. The name "Opposites Attract" has become synonymous with this notion. As a result, it can be seen that 'like charges repel' and 'unlike charges attract.' As a result, positively charged bodies attract negatively charged bodies and vice versa, whereas negatively charged bodies repel other negatively charged bodies.
Because electricity and magnetism are so closely related that they are frequently believed to be part of the same idea, electromagnetic, the poles of magnets exhibit a similar behaviour. Like poles (either north-north or south-south) of a magnet repel each other, while unlike poles (north-south) of a magnet attract each other, according to the 'like repels like' concept.
Hence, option 2 is the correct answer.

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