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Electrical impedance

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  1. describes a measure of opposition to a sinusoidal alternating current (AC)

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 24, 2008
  2. According to Ohm’s law the impedance of a device can be calculated by complex division of the voltage and current

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 24, 2008
  3. Impedance is a complex quantity \scriptstyle\tildeZ and the term complex impedance may be used interchangeably

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 24, 2008
  4. extends the concept of resistance to AC circuits, describing not only the relative amplitudes of the voltage and current, but also the relative phases

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 24, 2008
  5. the polar form conveniently captures both magnitude and phase characteristics, where the magnitude \scriptstyleZ represents the ratio of the voltage difference amplitude to the current amplitude, while the argument \scriptstyle\theta gives the phase

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 24, 2008
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