Question

what do you know about electrodes ?​

Answer 1

Answer:

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit.

Explanation:

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Answer 2

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As per the definition of the electrode, it is any substance that is a good conductor of electricity and these substances usually connect non-metallic parts of a circuit for example semiconductors, an electrolyte, plasmas, vacuum or even air. The term was first coined by William Whewell and derived from Greek words Elektron, which means “amber” and hodos which translates to “a way.”

An early version of an electrode was the electrophore which was used to study static electricity. It was invented by Johan Wilcke. To help you understand the concept in simple terms, an electrode is a point where the current enters and leaves the electrolyte. Notably, an electrode does not necessarily have to metals.

When studying electrodes, there are a few things that we come across. The two common terms we hear is cathode and anode. The cathode is the current that leaves the electrodes or cathode is a result of reduction reaction taking place in an electrolyte mixture. Here electrons are released from the electrode and the surrounding solution is reduced.