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Rounding out the difference between circuit and magnetic circuit

by:Newland     2020-04-25
The comparison of magnetic circuit and electric circuit as mentioned above, there are many similarities in magnetic circuit and electric circuit. People to know more about the circuit. They often use to compare circuit magnetic circuit, and processing have rich knowledge of strange magnetic circuit problem but the analogy is only in form, have different physical significance the main difference is as follows: current is, in fact, activity of charged particles from a conductor. As a result of the existence of conductor resistance, electrical energy of electrically charged particles and energy, doing work and power loss is converted into heat energy flux does not represent the movement of any particle, also do not represent the current energy loss, so the analogy is untenable. Circuit and magnetic circuit is strange partner, each with its own internal beam loses, so the analogy is untenable. Circuit and magnetic circuit is strange partner, each with its own internal physics, nature has excellent conductive material, also have insulation current materials. For example, the resistivity of copper is 1. 69× 10- 2 qm2 / m, and rubber resistivity is about 10 times of the rubber. But so far, haven't found the insulation material flux. Loose magnetic circuit, circuit will not open, flux everywhere because there is no absolutely non-magnetic material, magnetic flux is not bound. Through, only part of the magnetic flux along the conventional magnetic circuit in the magnetic circuit of the space around the rest of the distribution. This is called the magnetic flux leakage. The magnetic flux leakage of precise calculation and measurement is difficult, but can't be ignored.
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