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What are photo resistors?
photo resistors, or light dependent resistors, are devices with variable resistance, that cahnges depending on how much light is hitting the device
What products use Light Dependent Resistors?
security lights use resistors as the light out side falls the security light turns on and as it gets lighterbout side the light dimms and turns off, in bmw's the resistors are used to detect when the lights should come on as light gets brighter the car lights turn off.
Materials required to study light dependent resistors?
a resistor , two multimeter ,
What is the purpose the light dependent resistor?
This is a Resistors,who's resistance decrease when light energy falls on its surface gradually.
Why do you use cadmium sulphate in light dependent resistors instead of silicon?
Cadmium sulphide (CdS) has been used since before bulk silicon was available. Besides Silicon is used as a semiconductor for making electronic transistors. Resistors have to be put on it. Cadmium Sulfide is cheap and works fine.
What material is used to fabricate ldr?
Light-dependent resistors (LDRs) are typically made from cadmium sulfide (CdS), a semiconductor material that exhibits changes in resistance in response to changes in light intensity. This unique property allows LDRs to be used in various light-sensing applications.
Where are LDRs used?
LDRs (light-dependent resistors, also known as photocells a, can be used for most light-sentsitive applications like "is it light or dark out?", "is there something in front of the sensor that would block light?", "is there something interrupting a laser beam?" (break-beam sensors), or "which of multiple sensors has the most light hitting it?"
What devices use a LDR?
Light-dependent resistors (LDRs) are commonly used in devices such as streetlights, cameras, and mobile phones to detect light levels and trigger appropriate responses, such as turning on/off the light or adjusting the screen brightness.
What ldr is commonly used in schools?
Light-dependent resistors (LDRs) are commonly used in schools for various applications including automatic lighting systems, science experiments related to light intensity, and in circuit design projects to detect light levels. They are advantageous due to their sensitivity to light and ease of integration into circuits for educational purposes.
What are non ohmic devices give an example?
non ohmic devices are diodes, LED's, Thermistors, LDR(light dependent resistors, cells in series.
How are light dependent and independent reactions related?
The products of light-dependent reactions are used in light-independent reactions.
What are LDR used for?
Since it's about dating, it means long distance relationships. According to my knowledge, it's originiated from an article at millionairecupid.com, which talks about the relationship between a rich man and a beautiful woman who located in difference countries. The it becomes popular.
