no sticking a magnet on your bike fuel tank is not dangerous
A bike dynamo generator works by using the movement of the bike wheel to spin a magnet inside a coil of wire. This spinning magnet creates an electric current in the wire, which is then converted into usable electricity to power lights or other devices on the bike.
A magnet
small magnet used to give direction
A lifting magnet is an electromagnet that is meant to hold or move material that comes in contact with the magnet. This is the opposite of a traction magnet.
a scrap yard magnet is an electro magnet used to pick up bits of metal. this is used because it can drop the metal because it can be turned on and off
They are used everyday to move scrap iron around the scrap yard...
The magnet bar is used for stirring solutions.
the ones that attract stuff
The real name of magnet is Magnetite or Lodestone. Magnet is a common name used to refer to objects that exhibit magnetic properties.
A magnet can be theoretically used in any medium, but strength of the magnet will strongly be influenced by the magnetic permeability of that given medium.
they used the first dirt bike in ww1