Impedance
In electrical engineering, Impedance is a measure of opposition to a sinusoidal electric current. The concept of impedance generalizes Ohm's law in AC circuit analysis. Unlike electrical resistance, the impedance of an electric circuit is a complex number. Oliver Heaviside coined the term impedance in July of 1886.
Related Topics:
Electrical engineering - Electric current - Ohm's law - Electrical resistance - Electric circuit - Complex number - Oliver Heaviside
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