Question

what do you mean by electrodes plss explain it in detail

Answer 1

An $\red {electrode}$ is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte, a vacuum or air).

Electrodes are used to provide current through nonmetal objects to alter them in numerous ways and to measure conductivity for numerous purposes.

$\orange{Examples}$ include:

-》Electrodes for fuel cells

-》Electrodes for medical purposes, such as EEG (for recording brain activity), ECG (recording heart beats), ECT (electrical brain stimulation), defibrillator (recording and delivering cardiac stimulation)

1.Electrodes for electrophysiology techniques in biomedical research

2.Electrodes for execution by the electric chair

3.Electrodes for electroplating

4.Electrodes for arc welding

5.Electrodes for cathodic protection

6.Electrodes for grounding

7.Electrodes for chemical analysis using
electrochemical method

8.Inert electrodes for electrolysis (made of platinum)

9.Membrane electrode assembly

10.Electrodes for Taser electroshock weapon

hope it helps
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Answer 2

a metal ( either in the form of rod / plate ) through which an electric current enters ,or leaves,an electric cell for a specific electrolysis (or similar ) experimental setup