# What is Potentiometer? **URL:** \ **Category:** Electrical\ **Tags:** basic\ **Created:** [December 8, 2025, 10:01am UTC](https://forumautomation.com/t/what-is-potentiometer/13763 "2025-12-08T10:01:48Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![Rabert](https://forumautomation.com/user_avatar/forumautomation.com/rabert/32/6784_2.png) [@Rabert](https://forumautomation.com/u/Rabert)\ **Post date:** [December 8, 2025, 10:01am UTC](https://forumautomation.com/t/what-is-potentiometer/13763/1 "2025-12-08T10:01:48Z")
## [color=#ff0000] What is Potentiometer? [/color] A [url= [What is Potentiometer? Explain it’s Working Principle](https://forumelectrical.com/what-is-potentiometer-explain-its-working-principle/)][color=#1E00A3] **potentiometer** [/color][/url] is a 3-terminal resistor with an adjustable middle terminal (known as a wiper) that allows you to vary the resistance between two terminals. ![image](https://cdn.forumautomation.com/original/2X/c/c86ec88b64b45043b1a33fad141cc113be0797b0.jpeg) ## [color=#ff0000] Important Components of a Potentiometer[/color] 2 fixed terminals (one and three): These are coupled to a resistive component. 1 adjustable terminal (Wiper): This is the moveable section that slides along the resistive element to change the resistance ratio between terminals 1 - Wiper and Wiper - 3. > ### You can also follow us on [[color=#ff7700] **AutomationForum.co** [/color]](https://automationforum.co/), [url= [https://www.facebook.com/instrumentation.control](https://www.facebook.com/instrumentation.control)][color=#1E00A3] **Facebook** [/color][/url] and [url= [https://www.linkedin.com/showcase/81532759/feed/posts/](https://www.linkedin.com/showcase/81532759/feed/posts/)][color=#1E00A3] **Linkedin** [/color][/url] to receive daily Instrumentation updates. > ### You can also follow us on [[color=#ff7700] **ForumElectrical.com** [/color]](https://forumelectrical.com/), [[color=#1E00A3] **Facebook** [/color]](https://www.facebook.com/profile.php?id=100091841583670) and [[color=#1E00A3] **Linkedin** [/color]](https://www.linkedin.com/showcase/91130242/feed/posts/) to receive daily Electrical updates.