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The compass needle is a small bar magnet balanced on a pin. It swivels freely on this balance point. This is how it can align with the magnetic field of the Earth to show what direction magnetic north is. When you introduce another magnetic field, like from a magnet in close proximity, the needle will align with these local fields since their field strength is stronger than Earth's magnetic field - locally.

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Q: Why compass react when place near a magnet?
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Related questions

How far do you need to keep a magnet from a compass?

The compass needle is magnetic so if you place a magnet near the compass, the needle will change direction either attracting or reppeling.


Why won't a compass work near a magnet?

The compass needle is itself a magnet which is why it always points north according to the earth's magnetic field. If you place a magnet (Whose magnetic power is stronger than the earth's) close to the compass its needle will be attracted t the magnet and not to the North Pole.


What happens when a magnet is brought near a magnetic compass?

gago.


What happens when a bar magnet is brought near a compass?

gago.


Does a compass work best when close to magnet?

No. Being near a magnet (or magnetic field) completely puts off the compass as the compass is influenced by it and will not align with the Earth's natural magnetic field.


What happens when a compass is near a magnet?

Then the compass would react according to the magnetic field of the magnet.Then the compass would react according to the magnetic field of the magnet.Then the compass would react according to the magnetic field of the magnet.Then the compass would react according to the magnetic field of the magnet.


If the labels on a magnet are missing how would you determine which pole is the north pole?

If you have a compass or a magnet with the poles marked, you can bring it near the magnet with the missing labels. The north pole on the unlabeled magnet will repel the north pole on the labeled magnet or the north pole on the compass.


How do you find out if iron is a metal?

One method is to use a magnet. If the metal is iron, the magnet will be attracted.


What would happen if battery terminals were braught near a compass?

The compass would point south, except near positive end of the magnet. It will point north. 6th grade power!!


What happen to a metal place near magnet?

It would stick to the magnet....


What is a plotting compass?

A plotting compass is a small magnet which is suspended and is free to rotate. When it is near a magnet, the compass will always point in a particular direction (the north pole's direction) becasue of the force of the magnetic field.


Why does a compass needle spin toward the magnet when yu put it near a magnet?

The compass is a magnet too; and magnets attract each other. More specifically, the north pole of one magnet is attracted by the south pole of another magnet.The compass is a magnet too; and magnets attract each other. More specifically, the north pole of one magnet is attracted by the south pole of another magnet.The compass is a magnet too; and magnets attract each other. More specifically, the north pole of one magnet is attracted by the south pole of another magnet.The compass is a magnet too; and magnets attract each other. More specifically, the north pole of one magnet is attracted by the south pole of another magnet.