1. What is magnetic
- Physical phenomena that are mediated by magnetic fields
Magnetism can be characterized by the forces of attaraction and repulsion between
two masses
- Magnetic induction is when the magnetic body is placed in the magnetic field, the
phenomenon that the magnetic body is magnetized
- Unit : 1Tesla(T) = 1N/m*A = 10^4Gauss
Vsm : magnetic measure machine

2. Product of magnetic Electric transformer Magnetic card Refrigerator
Magnetic levitation train
Compass

3. Materials Ferromagnetism Paramagnetism Diamagnetism Fe Tungsten Cu NiCo
Tungsten Al Mg Cu
Glass
Diamond(C)