Question

what are electrodes?​

Answer 1

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An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit. The word was coined by William Whewell at the request of the scientist Michael Faraday from two Greek words: elektron, meaning amber, and hodos, a way.

Answer 2

Answer:

It is one of two points (terminals) where an electric current enters or leaves a battery, etc.