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单词 reactance
释义 reactance
Symbol X. A property of a circuit containing inductance or capacitance that together with any resistance makes up its impedance. The impedance Z is given by
Z2 = R2 + X2
, where R is the resistance. For a pure capacitance C, the reactance is given by
XC = 1/2πfC
, where f is the frequency of the alternating current; for a pure inductance
L, XL = 2πfL
. If the resistance, inductance, and capacitance are in series the impedance
Z = v[R2 + (XL - XC)2
]. Reactance is measured in ohms
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更新时间:2025/6/23 2:58:36