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Photoresistor - Wikipedia

en.wikipedia.org/wiki/Photoresistor

A photoresistor is a light-controlled variable resistor. The resistance of a photoresistor ... Large CdS Photocell from a street light. Photoresistors are less ...

Photocell | Define Photocell at Dictionary.com

www.dictionary.com/browse/photocell

Photocell definition, a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow  ...

What Is a Photocell for a Light? | Techwalla.com

www.techwalla.com/articles/what-is-a-photocell-for-a-light

Photocells are circuit elements that have many applications. A major application of photocells is in automatic lighting devices such as "dusk-to-dawn" lights.

What is a photocell sensor? | Reference.com

www.reference.com/home-garden/photocell-sensor-771781909d9cce27

Photocell sensors are light-detecting devices that act as automatic switches to power electrically powered devices on or off in the presence of light. One common ...

How does a photocell work? | Reference.com

www.reference.com/science/photocell-work-c32e7061fe01f359

A photocell is made up of a semiconductor, the working of which is dependent on the intensity of incident light. When the amount of light exceeds a certain ...

What is a Photocell? (with pictures)

www.wisegeek.org/what-is-a-photocell.htm

A photocell is a type of sensor that reacts to light or electromagnetic energy. One of the most common types of photocell is a...

www.ask.com/youtube?q=What Is A Photocell&v=Y-rW8HLlJgY
Feb 2, 2011 ... A Photo Cell, LDR, or Light Dependant Resistor is used to detect light. Information on more components can be found in my videos or going ...

How do photoelectric cells work? - Explain that Stuff

www.explainthatstuff.com/how-photoelectric-cells-work.html

Nov 29, 2016 ... All these things are examples of photoelectric cells (sometimes called photocells) —electronic devices that generate electricity when light falls ...

Photocell - definition of photocell by The Free Dictionary

www.thefreedictionary.com/photocell

(Electronics) 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 ...

Photocells

www.me.umn.edu/courses/me2011/arduino/technotes/photocell/photocell.html

Photocells. Photocells act as light sensors. Inlike infrared sensors that are good for line followers or detecting the presense of an object, photocells are good ...

Answers
pho·to·cell
[foh-toh-sel]
NOUN [ELECTRONICS.]
1.
a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc.
Source: Dictionary.com
photocell | Define photocell at Dictionary.com
dictionary.reference.com/browse/photocell
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