Here, which aspects are reflected in the physical properties of strong magnets and circuits? The main difference between the physical properties of magnetic circuits and circuits. The flow of the electrical resistance in the conductor, due to the presence of the conductor resistance, the electric power consumes energy on the power resistance, and the power loss is transformed into thermal energy. 

Circles and magnetic circuits are gliped from God, and each has the physical connotation that you don't ask. There is a good conductive material in nature, and there is also a material for current insulation. 69 × 10-2qmm2 / m, and the resistivity motor magnet suppliers of the rubber is about 10 doubles.Therefore, air can be seen as a material with the lowest magnetic permeability. Accurate calculation, measurement is difficult, but it can't be ignored. 

The optically magnetic material is about 10 six times with respect to the magnetic material. The magnetic flux does not represent any of the exercises, nor does it represent power, so this ratio is the foot. Since there is no absolute material, the magnetic flux is unconstrained. So actually design, the B-H curve is usually used to work.

There will be no circuit in the circuit in the magnetic circuit, and the magnetic flux is everywhere. Circuits and magnetic circuits are gentle gods, each has a matter of homes, such as a matter, losing, so this ratio is a lame. Only some of the magnetic flux is passed, and the rest is spread around the magnetic circuit, which is a so-called leakage magnetic leakage.

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