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Magnetic field is made up of magnetic lines.
the rotor coils in an electric motor
A few % of the magnetic field comes from the stream of charged particles coming from the Sun. This is why the magnetic field varies greatly in Polar Regions during a sunspot storm.The majority of the field is generated deep inside the Earth by electrical currents in the liquid part of the outer core. The nett result of these currents generates a magnetic field.The Curie Temperature of magnetic materials ensures that there are no magnetic materials deep in the Earth.
No, Steel itself is nnot magnetic, but some stainless steel can be made magnetic depending on how they were worked. Silver has very week, negative reaction to magnetic field, this is called diamagnetic.
No, you is false. Increasing current does it, but the number of turns in the coilalso must increase if you want to increase the magnetic field that way.
Magnetic field is made up of magnetic lines.
iron
The Outer Core has magnetic field and it is made out of iron and nickel
It is made by the movement of the earths core and magma field
No, a magnetic field is induced by moving electric charges. If a ferrous material (one containing iron) is placed in a magnetic field, the individual magnetic dipoles can be aligned in accordance with the magnetic field. Since the molten iron in the earth's core carries charges, a magnetic field is induced around the earth (with field lines coming OUT of the south pole and into the north). This magnetic field can align magnetic dipoles just as any man-made electromagnet can.
The earth's magnetic field is caused by convection currents in our core. The core is made out of iron, which is a magnetic metal.
It is made by the movement of the earths core
A circuit is a path for charge particles -- it conducts current. An inductor, a circuit component, generates a magnetic field, when an AC is on. ======================
the sun and the Earth's magnetic field create the magnetosphere.
A lodestone is a magnetized piece of rock. They are made of made of magnetite, a type of iron ore. For a piece of magnetite to be magnetic, it must be exposed to a magnetic field.
The material from which the magnet is to be made is heated so that it is above what is called the curie temperature. The material is then allowed to cool in a magnetic field. The magnetic field can be made by coiling wire and passing an electric current through it.
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.