In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit. [1]

The meaning of IMPEDANCE is something that impedes : hindrance.

Oct 19, 2018 · Electrical Impedance Definition: Electrical impedance is defined as the measure of opposition that a circuit presents to a current when a voltage is applied, involving both …

Dec 27, 2025 · Electrical impedance, measure of the total opposition that a circuit or a part of a circuit presents to electric current. Impedance includes both resistance and reactance.

Impedance is the total opposition a cable or circuit offers to alternating current (AC). It combines resistance and reactance, measured in ohms (Ω), and determines how readily AC signals …

IMPEDANCE definition: the total opposition to alternating current by an electric circuit, equal to the square root of the sum of the squares of the resistance and reactance of the circuit and …

Several types of infection, including malaria, alter a cell's impedance, a measure of electrical resistance across the cell membrane.

Sep 13, 2024 · Learn about impedance, which refers to the opposition that an electronic component, circuit or system offers to alternating or direct electric current.

Impedance is a measure of how much a circuit resists the flow of alternating current (AC), combining both resistance and reactance into a single complex quantity.

Impedance is a measure of the opposition to electrical flow, that is measured in ohms. The symbol Z is used for impedance. If you are running two 16 ohm speaker cabinets in parallel, you must …