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 does only the tip of the electrode melt when arc welding?
Apr 19, 2018 · The electrode's resistance isn't what's heating things up – it's the resistance of the ionized air in the arc! Hence, things close to the arc get hot, and things farther away don't.
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 …
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 …
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
Effect of the placement of ground electrode on ECG
Nov 13, 2023 · The above figure shows two ECG signals recorded after placing the positive electrode on the left palm and the negative electrode on the right palm. For the recording on the top column, the …