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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



A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing ...

What is a Photocell? (with pictures) - wiseGEEK


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

How do photoelectric cells work? - Explain that Stuff


Oct 3, 2014 ... All these things are examples of photoelectric cells (sometimes called photocells) —electronic devices that generate electricity when light falls ...

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 ...



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 ...

Photocell tutorial! - Instructables


Photocells a.k.a CdS cells, photoresistors, LDR (light dependent resistor)...What is a photocell?Photocells are sensors that allow you to detect light. They are ...

Photocell - definition of photocell by The Free Dictionary


(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 ...

What is a photocell - Answers.com


A photocell is an sensor that is supplied by a power feed and switches a load e.g: 500W light when it becomes dark, letting electricity flow from mains side to the ...

BBC - GCSE Bitesize: Photocells


Photocells transfer light into electricity, and glass can provide passive heating for buildings. Wind turbines transfer kinetic energy in the wind into electricity.

photocell | Define photocell at Dictionary.com
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Popular Q&A
Q: What is a photocell?
A: photocell: a transducer used to detect and measure light and other radiations Read More »
Source: www.kgbanswers.com
Q: What is a photocell?
A: A photocell (or photoelectric cell) is a device used for the detection of light and other type of radiations. One type of cell is the photo-emissive cell which ... Read More »
Source: www.webanswers.com
Q: What is photocell?
A: Photocell:1:a transducer used to detect and measure light and other Read More »
Source: www.chacha.com
Q: What is a Photocell?
A: A photocell is any of a wide range of sensors that react based on the presence of light or electromagnetic energy. They can be found in many different forms, fr... Read More »
Source: www.wisegeek.org
Q: What is photocell?
A: 1. (Electronics) a device in which the photoelectric or photovoltaic effect or photoconductivity is used to produce a current or voltage when exposed to light o... Read More »
Source: www.thefreedictionary.com