Why are magnets dipoles?
Any magnetic system we shall see has a north pole and a south pole associated with it. The magnetic field originates from the N pole and terminates in the S pole. This two pole system is called a magnetic dipole.
All magnetic systems that exist now are magnetic dipoles.
While they may have existed in the past, magnetic monopoles are not known to exist today.
Cutting a bar magnet in half produces a new N and S pole because we are unable to isolate the original N and S poles.
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Magnets are dipoles because they have two poles: a north pole and a south pole. This polarity arises from the alignment of magnetic domains within the material, where the magnetic moments of individual atoms or molecules align in the same direction, resulting in a net magnetic field.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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