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Cathodes
An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows outwards (and thus, electrons flow inwards). It usually, but not always, has a positive voltage.
📖 Definitions of "Cathodes"
- 1
An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows outwards (and thus, electrons flow inwards). It usually, but not always, has a positive voltage.
- 2
(by extension) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
- 3
The electrode from which electrons are emitted into a vacuum tube or gas-filled tube.
- 4
That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.
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