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Impedance Impedance is the complex-valued generalization of resistance. It may refer to: *Acoustic impedance, a constant related to the propagation of sound waves in an acoustic medium *Electrical impedance, the ratio of the voltage phasor to the electric current phasor, a measure of the opposition to time-varying electric current in an electric circuit * *Characteristic impedance of a transmission line * *Impedance (accelerator physics), a characterization of the self interaction of a charged particle beam * *Nominal impedance, approximate designed impedance *Mechanical impedance, a measure of opposition to motion of a structure subjected to a force *Wave impedance, a constant related to electromagnetic wave propagation in a medium * *Impedance of free space, a universal constant and the simplest case of a wave impedance ==See also==
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Impedance」の詳細全文を読む
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