Magnetism: Permanent and Induced Magnets (DONE) Flashcards
Where are magnetic forces strongest on a magnet?
The magnetic forces are strongest at the poles of a magnet.
When two like poles meet they repel each other as there is a force of repulsion between them.
When two opposite poles meet they attract each other.
The attraction and repulsion between magnets are examples of what type of force? And why?
The attraction and repulsion between magnets are examples of non-contact forces. This is because the magnets don’t have to touch to experience the force.
What is a permanent magnet?
A permanent magnet is a magnet which produces its own magnetic field.
What is an induced magnet?
An induced magnet is an object that becomes a magnet when it’s placed in a magnetic field.
What type of non-contact force does an induced magnetism always cause?
Induced magnetism always causes a force of attraction.
If we place two objects at the poles of a permanent magnet they may become induced magnets as they are in the magnetic field of a permanent magnet.
But what may happen if we take away the permanent magnet?
If we take away the permanent magnet then the induced magnets will lose most or all of their magnetism quickly.
