This chapter covers magnetic phenomena in a currentCurrent system composed of more than one currentCurrent loop. The relationship between the currentCurrent and the magnetic fluxMagnetic flux in each currentCurrent loop is generally described in terms of the inductance coefficientsInductance coefficient. CoilsCoil are a typical example of this currentCurrent system, and the inductance of various coilsCoil is treated. We use a currentCurrent system composed of a superconductorSuperconductor to determine the magnetic energyMagnetic energy of the system. The merit of this method is that the magnetic energyMagnetic energy can be directly determined from the mechanical work needed against the magnetic forceMagnetic force, similarly to the electric energyElectric energy. The magnetic energyMagnetic energy of the currentCurrent system is described using the magnetic fluxMagnetic flux and the inductance coefficientsInductance coefficient.

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Current Systems

  • Teruo Matsushita

摘要

This chapter covers magnetic phenomena in a currentCurrent system composed of more than one currentCurrent loop. The relationship between the currentCurrent and the magnetic fluxMagnetic flux in each currentCurrent loop is generally described in terms of the inductance coefficientsInductance coefficient. CoilsCoil are a typical example of this currentCurrent system, and the inductance of various coilsCoil is treated. We use a currentCurrent system composed of a superconductorSuperconductor to determine the magnetic energyMagnetic energy of the system. The merit of this method is that the magnetic energyMagnetic energy can be directly determined from the mechanical work needed against the magnetic forceMagnetic force, similarly to the electric energyElectric energy. The magnetic energyMagnetic energy of the currentCurrent system is described using the magnetic fluxMagnetic flux and the inductance coefficientsInductance coefficient.