kathode - definizione. Che cos'è kathode
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Cosa (chi) è kathode - definizione

ELECTRODE FROM WHICH CONVENTIONAL CURRENT LEAVES A POLARIZED ELECTRICAL DEVICE
Cathodic; Kathode; Copper cathodes; Copper cathode; Cathodes
  • [[Schematic symbol]] used in [[circuit diagram]]s for vacuum tube, showing cathode

Kathode         
The terminal of an electric circuit whence an electrolyzing current passes from a solution. It is the terminal connected to the zinc plate of a primary battery.
Cathode         
·noun The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the negative pole;
- opposed to anode.
Cathode         
A cathode is the electrode from which a conventional current leaves a polarized electrical device. This definition can be recalled by using the mnemonic CCD for Cathode Current Departs.

Wikipedia

Cathode

A cathode is the electrode from which a conventional current leaves a polarized electrical device. This definition can be recalled by using the mnemonic CCD for Cathode Current Departs. A conventional current describes the direction in which positive charges move. Electrons have a negative electrical charge, so the movement of electrons is opposite to that of the conventional current flow. Consequently, the mnemonic cathode current departs also means that electrons flow into the device's cathode from the external circuit. For example, the end of a household battery marked with a + (plus) is the cathode.

The electrode through which conventional current flows the other way, into the device, is termed an anode.