Please read the important information regarding these games at the bottom of the page.

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If we bring these two parts together, as they really are in the point-contact transistor circuit, both lamps will shine. This is because the left, forward biased, part of the circuit introduces enough holes to be able to activate the right part as well. So with the transistor you are able to control and influence one part of the circuit, the right part, with the aid of the other, the left part.

The three electrodes of the transistor have different names. Connected to the metal base is the contact simply called the base-electrode. The gold contact where the current enters (left) is called the emitter-electrode and the other gold contact (right) is called the collector-electrode.

  
     
   




To cite this page
MLA style: "The Transistor". Nobelprize.org. Nobel Prize Outreach AB 2021. Web. 5 Jun 2021. <http://educationalgames.nobelprize.org/educational/physics/transistor/function/pointcircuit_3.html>

About the educational games

The educational games are based on Nobel Prize awarded discoveries and were produced between 2001 and 2012. The games have not been updated since production (including potential scientific facts changes) and are provided here on an 'as is' basis by popular demand.

Some of the games run using Ruffle without the need of any plugin, but most of the games still require Adobe Flash Player. Flash is an old technology that has reached end of life. These games will no longer work without a dedicated setup. If you are depending on these games in your profession, please advice your local IT support. We do not have the resources to provide support.

We are working on supporting other games using Ruffle as well. We also hope to publish a new version of the Blood typing game, our most popular game, in mid-2021.