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Cathode (Physics Dictionary)

Cathode : The electrode through which a conventional electric current flows out of a polarized electrical device; the direction of current flow is, by convention, opposite to the direction of electron flow, and so electrons flow into the cathode. In a galvanic cell, the cathode is the positive terminal or pole which accepts electrons flowing from the external part of an electrical circuit. However, in an electrolytic cell, the cathode is the wire or plate having excess negative charge, so named because positively charged cations tend to move towards it. Contrast anode.

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_ខាងក្រោមនេះជាសៀវភៅនិងឯកសារសម្រាប់ការងារនិងរៀនគ្រប់ប្រភេទ៖
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