The region around a magnet where the magnetic force is exerted is known as its lodestone. magnetic field. magnetic pole. magnetic domain.

magnetic field.

Explanation:

think of the earth. it has a north and south pool. the earth stays together due to the magnetic pull from the center of the earth. to answer that question why would the north pool be called north pool. that is the center, the magnetic force it makes is the magnetic field.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.