Photodetector

A photocell, also known as a photoresistor, is an electronic component, device that changes its electrical conductivity when light shines on it. In the picture,…

Photodetector
Photocell

A photocell, also known as a photoresistor, is an electronic component, device that changes its electrical conductivity when light shines on it. In the picture, the electricity flows through the reddish part. Normally, when light shines on it, then more electricity flows through. When it is dark, almost no electricity flows through. Selenium can be used to make photocells, although some other chemicals can be used.

Semiconductors are used to make photocells. When the light shines into the photocell, it "loosen"s the electrons, allowing them to flow and make an electrical current.

Content Disclaimer

Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.

  1. The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
  2. There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
  3. It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
  4. Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
  5. Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.