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The convection in the outer core, along with rotation of Earth that causes rotation of the outer core, initiates a flow of electric current in the core. This flow of current within the core produces and sustains Earth's magnetic field.
The process by which a substance, such as iron or steel, becomes magnetized by a magnetic field. The induced magnetism is produced by the force of the field radiating from the poles of a magnet.AnswerThere is no such thing as a 'magnetic line of induction'. Induction is a process, by which a changing current induces (causes) a voltage into the same conductor or an adjacent conductor.A 'line' on the other hand, is imaginary and is simply a method of modelling a magnetic field in such a way that we can visualise its shape, rather in the same way that we use contour lines to show the shape of hills, etc.
this area represent the energy lost per cycle in ferromagnetic material during the magnetization process by hysteresis and in some cases also by eddy current magnetic losses and electric losses
To heat something by induction (which is and oscillating magnetic field), the material has to react to the magnetic field. As the magnetic field is made to oscillate, the molecules of the material are pulled and vibrated in sympathy with the field and their vibration energy increases. Heat IS the vibration of molecules. Thus induction heating will work on a magnetic material but will have no effect on a material that is not magnetically susceptible.
A magnetic field is produced when there is a current in the primary coil of a transformer.^^^^basically magnectic fieldA changing current in the primary-winding of a transformer produces a changing magnetic flux in the core which results in a back-emf. in the primary winding through self induction, and a voltage in the secondary winding due to mutual induction.
Magnetic induction
Electro magnetic induction...................
current
The process of generating an electric current from the motion of a conductor in a magnetic field is known as induction.
electromagnetic induction
electromagnetic induction
electromagnetic induction
electromagnetic induction
electromagnetic induction
Electromagnetic Induction
Magnetic induction is the process in which an item is magnetized by an external magnetic field. The force of the fields comes from the poles of the magnet to produce the magnetism. The process is also called magnetic flux density.
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