What is Magnetism?A magnetism is a phenomenon which is related to the magnetic field, which arise from the motion of electric charges and due to this motion field produced which attract or repel other objects.
A magnet (from Greek magnetization stone) is a material that produce a magnetic field .This magnetic field is invisible but is responsible for the most notable property of a magnet: a force which pull other ferromagnetic material such as iron,, and attract or repel other magnets also. Permanent magnet is a material which is magnetize and create its own persistent magnetic field. An everyday example is a refrigerator magnet used to hold notes on a refrigerator door
Definition of Magnetic flux
Magnetic flux is defined as the number of magnetic field lines which pass through the close surface. Magnetic flux is the total magnetic field passing through the surface area. The area of magnetic field which will consider can be of any size and may be under any orientation with respect to the direction of magnetic field.
Symbol of Magnetic flux
The symbol of magnetic flux which use commonly is a Greek letter Phi ⏀or Phi suffix B ⏀B
Formula of magnetic flux
The magnetic flux formula is given below
In the above equation
- ⏀B=magnetic flux
- B=Magnetic field
- Ɵ=angle at which field line pass through the given surface area
Unit of magnetic flux
To measure magnetic flux we can use fluxmeter commonly. The SI and CGS unit of magnetic flux is Weber(Wb) and Maxwell respectively.
- SI unit of magnetic flux is Weber(Wb)
- CGS unit of Magnetic flux is Maxwell.
- Fundamental unit is Volt-seconds.
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