what is cathode & anode
Answers
Answer:
The Anode is the negative or reducing electrode that releases electrons to the external circuit and oxidizes during and electrochemical reaction. The Cathode is the positive or oxidizing electrode that acquires electrons from the external circuit and is reduced during the electrochemical reaction.
Explanation:
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Answer:
Cathode: A cathode is the electrode from which a conventional current leaves a polarized electrical device, cathode rays (also called an electron beam or an e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite the negative electrode is observed to glow from electrons emitted from the cathode.
Anode: the positively charged electrode by which the electrons leave an electrical device, the negatively charged electrode of an electrical device, such as a primary cell, that supplies current. An anode ray is a beam of positive ions that is created by certain types of gas-discharge tubes. They were first observed in Crookes tubes during experiments by the German scientist Eugen Goldstein, in 1886.
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