Magnetism And Electromagnetism Flashcards
What are the poles of the magnet places where
The magnet forces are strongest
What happens when two magnets are brought together?
They exert a force-on each other
What is attraction and repulsion between two magnet poles examples of
Non- contact forc
What does a permanent magnet produce its own?
Magnetic field
What is an induced magnet?
It’s a material that becomes a magnet when placed in a magnetic field
What is induced magnetism?
Always a force of attraction
When removed from the magnetic field, what happens to an induced magnet?
It loses most or all of its magnetism quickly
What are the magnetic material?
Iron ,steel, cobalt and nickel
What is a magnetic field
the reingn around a magnet where a force acts on another magnet or a magnetic field
The force between a magnet, and a magnetic material is always what ?
One with attraction
What is the strength of a magnetic field depend on?
The distance from the magnet
Where is the field strongest at ?
The poles of the magnet
What is the direction of the magnetic field at any point given by?
The distance of the first would act on another north pole placed at that point
What does a magnetic compass contain?
A small bar magnet
What does the Earth have?
A magnetic field
