What is an electrode? - Electrical Engineering Stack Exchange
May 4, 2015 · According to wiki, an electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum). Examples of …
Why cyclic voltammetry requires three electrodes?
Sep 10, 2015 · Why do you need both a reference electrode and a counter electrode? Why measuring the current between the reference electrode and the working electrode is not enough? Three …
How does a driven right leg work? - Electrical Engineering Stack …
Nov 15, 2021 · @Jtl Press a 1.5V battery negative terminal against the leg (wet it with saliva or electrode gel, to make a good electrical contact), and using a high impedance digital voltmeter …
amplifier - Why do bipolar electrode configurations require a zero ...
Apr 18, 2025 · This particular arrangement of Electrode 1 and Electrode 2 is called a bipolar configuration. This much I understand. However, after talking with an amplifier manufacturer, I was …
Why does only the tip of the electrode melt when arc welding?
Apr 19, 2018 · The negative electrode is connected to the torch. The positive electrode is connected to the work piece to be welded. An arc is created by a circuit in the power supply called an arc starter …
What if the ground in EEG/EMG has high impedance
Jul 23, 2025 · Draw a schematic, or post a diagram. Be aware that not everybody is aware of the technicalities or jargon of EEG measurement. Show between which pairs of electrodes you are …
sensor - How to do water detection with a single electrode ...
Feb 9, 2024 · Is the electrode imposed? If not, you can easily have a single electrode in a "mechanical" sens (ie a single stick) but with 2 distinct electrodes from an electric poitn of view. A very simple …
Why does current flow direction matter in welding?
Sep 5, 2022 · In DC welding, there are two configurations - direct current electrode positive (DCEP) and direct current electrode negative (DCEN). When the electrode is negative, the current flows from …
How do I connect a female EEG electrode to a breadboard?
Apr 17, 2022 · 1 Electrode output end: EEG electrode: I'm trying to connect the output of EEG electrodes to a breadboard as input. How do I connect the electrode to the breadboard? Usual …
Are electrode based, water level monitoring systems safe?
I want to install a pump control with water level monitoring system. I've seen all kind of sensors, ultrasonic, infrared, mechanical (Based in pressure switch's / float valves), etc. One of the most