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level: Magnets and Magnetic Fields

Questions and Answers List

level questions: Magnets and Magnetic Fields

QuestionAnswer
All magnets have 2 what?They have 2 Poles, North and South
What are the 3 Magnetic MaterialsIron Nickel Copper
What is the Magnetic Field?This is a space that a Magnetic Material can Experience a Fore
What do Magnetic Field Lines show?They shows the: Direction of the Magnetic Field [This always goes from North to South.] The Magnitude of the Magnetic Field. This is called the Magnetic Flux Density, which is measured via Tesla's [T]
If you put 2 Bar Magnets next to each other, with Opposite Poles, what happens?The Magnetic Field would be a Uniform Field. Its equal. [North points towards the South]
How can Iron Fillings help finding a Magnetic Field?Simply put the Magnet under a Piece of Paper, that has Iron Fillings resting on top. The Iron Fillings will Align themselves with what the Field Lines should be showing.
How can a Compass help finding a Magnetic Field? Is Iron Fillings better?Place the Magnet on a Piece of Paper, and put a Compass next to it The needle of the Compass will point where the Field Lines are going. You can mark this Direction by using a Pencil or Pen Repeating this numerous of times can show a Field Line The Drawing of the Field Lines will stay there, but the Iron Fillings won't when Removed. It can also be the result of a mess.
What direction will a Compass Point when a Magnet is not Influencing it? What can this Prove?North. This can say that the Earth has a Magnetic North and South Pole, so the Core must be Magnetic [Made of Iron]
So do the Same Poles Attract?No. They will Repel because the Field Lines are not Lining up
What happens when a Magnet is brought near a Magnetic Material?The Magnetic Material will become a Magnet by the Original Magnet. The Original Magnet will be called a Permeant Magnet The Magnet that get's activated is called the Induced Magnet. The Induced Magnet, once out of the Permeant Magnets Field will lose their Magnetic Field