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Impedance
Impedance: The opposition in an electric circuit to the flow of an alternating current consisting of inductive reactance, ohmic resistance, and capacitive reactance. Inaccuracy: Maximum positive and negative deviation from the specified characteristic curve observed in testing a device under specified conditions and by a specified procedure. [IEC 61298-2] Note 1: Accuracy is defined in IEC 60050-300, definition 311-06-08. Note 2: The term inaccuracy is sometimes referred to as measured accuracy. This term should not be used.