Impedance

Definition: 1) The total opposing force to the flow of current in an ac circuit. 2) The combination of resistance and reactance affecting the flow of an alternating current generally expressed in ohms.

Related Links

Electrical impedance – Wikipedia
What is impedance? – Definition from WhatIs.com
Impedance | Define Impedance at Dictionary.com
Impedance (video) | AC circuit analysis | Khan Academy

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