Encyclopedia > Photocell

Article Content

Photocell

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

Johann Karl Friedrich Rosenkranz

... 23, 1805 - July 14, 1879), German philosopher, was born at Magdeburg. He read philosophy at Berlin, Halle and Heidelberg, devoting himself mainly to the doctrines of ...