0
yes it has magnet ,becuase we sometimes also observe electrostatic attractions in it.
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
Is magnet used in Cd's and DVD's?
no
Which data-storage device will not have its data scrambled by a magnet?
A DVD. Apex.
How powerful does a magnet need to be in order to erase memory from a DVD-R disc?
I don't think you'll find a powerful enough magnet; the DVD-R is an optical recording medium and is unaffected by magnetism.
How does the magnet work in a DVD players?
There are magnets in the motor that spins the disk, and there are magnets that move the reading head (laser) in and out on the disk as it plays. They are electromagnets - they only work if an electrical current is applied to the coil of the magnet.
Can a magnet erase the memory of a CD or floppy disk?
The best way to clean a floppy disk is with an electromagnet not a regular magnet. If you can put it to the back of a large speaker when the speaker is turned on, that should work. On the other hand, if you wait about 10 years, that will also do it.
What does a magnet do to a paperclip?
A paperclip attracts a magnet ,a magnet attracts a paperclip.
What data storage device will not have its data scrambled by a magnet?
Neither a DVD nor a CD would be affected by magnetic fields, because the information is digitally encoded using optical media.
Why does a mineral magnet stick to a magnet?
a mineral magnet can stick to a magnet because a mineral magnet has to poles the north and the south poles
Making a magnet with another magnet?
if you have a magnet and a magnetic matereal, rub the magnet from one end of it to the other. do this several times and it will eventualy be a magnet.
Show bar magnet horse shoe magnet dumb bell magnet etc.?
A dumbbell shaped magnet is called which type of magnet?
Definition of temporary magnet?
A magnet that isn't always a magnet.
Is magnet a forcewhy?
No, a magnet is a physical object. However, a magnet can EXERT a force.
