residual current

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residual current

[rə′zij·ə·wəl ¦kə·rənt]
(electronics)
Current flowing through a thermionic diode when there is no anode voltage, due to the velocity of the electrons emitted by the heated cathode.
References in periodicals archive ?
There appears to be a worldwide tendency for sandbanks generated in shallow seas to meet this requirement and also to be oriented with respect to the tidal current, such that the two residual current generating mechanisms are in tune.
Depending on the relative strength of the tidal current to the residual current, particles may be advected back to the original cell during the reverse tidal phase, so that their mutual distances are not greatly affected.
Remarkably, the generated residual current is strongest when the frictional coefficient is weakest (but remains nonzero)