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impedances Definition
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impedances
noun(im-ped-ance)something that impedes : hindrance: such as
impedances
noun(im-ped-ance)the apparent opposition in an electrical circuit to the flow of an alternating current that is analogous to the actual electrical resistance to a direct current and that is the ratio of effective electromotive force to the effective current
impedances
noun(im-ped-ance)the ratio of the pressure to the volume displacement at a given surface in a sound-transmitting medium