How Does A Light Dependent Resistor Work This article discusses in brief about what is a light dependent resistor how to make a light dependent resistor circuit and its applications What is a Light Dependent Resistor An LDR or light dependent resistor is also known as photo resistor photocell photoconductor
LDR Light Dependent Resistor as the name states is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of light Its resistance decreases with an increase in the intensity of light A light dependant resistor or LDR is a sensor that changes resistance as the light level changes see example circuits and explanations in this tutorial This tutorial also covers what an LDR looks like the circuit symbol typical resistances for different light levels and some example applications
How Does A Light Dependent Resistor Work
How Does A Light Dependent Resistor Work
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When light photons fall on the LDR they provide energy to the electrons thereby moving them into the conduction band and leading to an increase in charge carriers that enhances conductivity LDRs are built using high resistance semiconductors such as lead sulfide PbS or cadmium sulfide CdS Working Principle of Light Dependent Resistor The working principle of an LDR is photoconductivity which is nothing but an optical phenomenon When the light is absorbed by the material then the conductivity of the material enhances
Light dependent resistor LDR or photoresistor changes its resistance when light fall on it thus it detects the presence of light In this article we will learn about Light dependent resistors LDR or photoresistors their symbol construction working types latency technical specifications and applications of LDR The working principle of a light dependent resistor LDR revolves around its responsiveness to light making it a vital component in various light sensitive applications Essentially an LDR consists of high resistance semiconductor material that undergoes a shift in resistance upon exposure to light
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What does Light Dependent Resistor work A Light Dependent Resistor LDR also known as a photoresistor or photoconductor is a type of resistor whose resistance varies significantly with the intensity of light falling on it Here s Light Dependent Resistor is called by many names such as photoresistor photocell photoconductor photoconductive cells The resistivity of LDR depends on the light incident on it and the sensitivity of LDR depends on the wavelength of the incident light
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This article discusses in brief about what is a light dependent resistor how to make a light dependent resistor circuit and its applications What is a Light Dependent Resistor An LDR or light dependent resistor is also known as photo resistor photocell photoconductor
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LDR Light Dependent Resistor as the name states is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of light Its resistance decreases with an increase in the intensity of light
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How Does A Light Dependent Resistor Work - Working Principle of Light Dependent Resistor The working principle of an LDR is photoconductivity which is nothing but an optical phenomenon When the light is absorbed by the material then the conductivity of the material enhances
