what are electrods!!....................
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WHAT ARE ELECTRODS??
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The electrode is metallic or non-metallic rod used in electrochemical and electrolytic cells through which electric current enters or leaves. They are of two types : Anode and Cathode.
Anode is that electrode which is attached to the positive terminal of the battery.
Cathode is that electrode which is attached to the negative terminal of the battery.
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Electrode, electric conductor, usually metal, used as either of the two terminals of an electrically conducting medium; it conducts current into and out of the medium, which may be an electrolytic solution as in a storage battery, or a solid, gas, or vacuum