resonant circuit

Science Dictionary
resonant circuit   (rěz'ə-nənt)  Pronunciation Key 
An electric circuit which has very low impedance at a certain frequency. Resonant circuits are often built using an inductor, such as a coil, connected in parallel to a capacitor. The response of the circuit to signals of different frequencies is a function of the inductance and capacitance of the circuit and peaks at one frequency value, at which the current flow resonates most strongly with the input signal. Resonant circuits are used in radio and television tuners to pick out broadcast signals of specific frequencies.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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WordNet
resonant circuit

noun
an electrical circuit that combines capacitance and inductance in such a way that a periodic electric oscillation will reach maximum amplitude [syn: resonator
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Resonant circuit is always a great word to know.
So is flibbertigibbet. Does it mean:
a fool or simpleton; ninny.
a chattering or flighty, light-headed person.
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