The
Photocell
reference article from the
English Wikipedia
on 24-Apr-2004
(provided by
Fixed Reference
: snapshots of Wikipedia from wikipedia.org)
Photocell
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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.