| Definition of 'characteristic curve' |
Princeton's WordNet |
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1. (noun) characteristic curve, characterisic function
(electronics) graph showing how a particular characteristic of a device varies with other parameters
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| Definition of 'characteristic curve' |
The Standard Electrical Dictionary |
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1. characteristic curve
A curve indicating the variations in electro-motive force developed during the rotations of the armature of a dynamo or other generator of E. M. F. The term as used in the electrical sense is thus applied, although the indicator diagram of a steam engine may be termed its characteristic curve, and so in many other cases. As the amperes taken from a series generator are increased in number, the E. M. F. rises, it may be very rapidly up to a certain point, and thereafter more slowly. To construct the curve coordinates, q. v., are employed. The resistance of the dynamo and of the outer circuit being known, the current intensity is measured. To obtain variations in electro-motive force the external resistance is changed. Thus a number of ampere readings with varying known resistance are obtained, and for each one an electro-motive force is calculated by Ohm's law. From these data a curve is plotted, usually with volts laid off on the ordinate and amperes on the abscissa.
By other methods other characteristic curves may be obtained, for which the titles under Curve may be consulted.
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Definitions of characteristic curve 
