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Definition of "Q" |
Figure of merit of efficiency of a circuit or coil. Ratio of inductive reactance to resistance in servos. Relationship between stored energy (capacitance) and rate of dissipation in certain types of electric elements, structures, or materials. / Instantaneous charge, Distributed load, notch sensitivity, Charge, First moment of area, imaginary force, volume, / Q is a most important property of both capacitors and inductors although it is actually dimensionless. The "Q" of capacitors is generally so high as to be ignored however it is the "Q" of inductors we mainly concern ourselves with. All inductors exhibit some extra resistance to ac or rf, "Q" is the reactance of the inductor divided by this ac or rf resistance plus the dc resistance of the windings. / In computer science, a one-way function is a function that is easy to compute on every input, but hard to invert given the image of a random input. Here, easy and hard are to be understood in the sense of computational complexity theory, specifically the theory of polynomial time problems. / unit of electric charge. |
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