space-charge effect


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space-charge effect

[′spās ¦chärj i‚fekt]
(electronics)
Repulsion of electrons emitted from the cathode of a thermionic vacuum tube by electrons accumulated in the space charge near the cathode.
References in periodicals archive ?
Here, due to voltage depression caused by space-charge effects, some electrons stop forming the virtual cathode at a certain distance from the anode.

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