a device in which the photoelectric or photovoltaic effect or photoconductivity is used to produce a current or voltage when exposed to light or other electromagnetic radiation. They are used in exposure meters, burglar alarms, etc
Also called: photoelectric cell, electric eye
photocell in American English
(ˈfoʊtoʊˌsɛl)
noun
photoelectric cell
photocell in Electrical Engineering
(foʊtoʊsɛl) or photo-electric cell
Word forms: (regular plural) photocells
noun
(Electrical engineering: Electronics components)
A photocell is a device that is used to detect and measure light.
The dusk to dawn photocell sensor switch will switch items such as lights and fans on during the night and offduring the day.
A photocell sensor can be regarded as a transducer that is used to detect the light intensity.
A photocell is a device that is used to detect and measure light.