Encyclopedia > Photocell

  Article Content


A photocell is a kind of electronic component which can detect light. Once a photocell is lighted, electrons are emitted from one side to another side in the photocell so that a current can be transferred.

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article

... mountain ranges, amongst which the highest peak is the Pico da Neblina[?] at 3,014 m. Major rivers include the Amazon, the largest river in the world by volume, the ...

This page was created in 33.6 ms