What is the difference between LDR and Photodiode? - ProProfs Discuss
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What is the difference between LDR and Photodiode?

Asked by S. Barnes, Last updated: Apr 02, 2020

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3 Answers

T. Perez

T. Perez

Answered Sep 17, 2019

There are many correct answers to this question, as there are many differences between LDR and photodiode. LDR and Photodiodes are two types of photosensors. LDR is an abbreviation for Light Dependent Resistor. They are the most used photosensor. We see it every day because LDR's are used in street lights.

There are many correct answers to this question, as there are many differences between LDR and
One reason they are used more is that they are less expensive. On the other hand, photodiodes have a faster response time. It is used in laboratory appliances spectrometer, as well as other precision equipment. They are used in valves that are either on or off and the lighting must be good.

 

I. Muller

I. Muller, Math Professor, North Carolina

Answered Jul 05, 2019

LDR and photodiode are commonly used photosensors, and LDR is the most widely used photosensor. It is used for street lights, and it is a light dependent resistor. It is the more preferred photosensor. The photodiode is used in applications that can only do with two values: either on or off.

LDR and photodiode are commonly used photosensors, and LDR is the most widely used photosensor. It
The photodiode has a quicker response time as opposed to LDR, which is a light dependent resistor. It is used for multiple projects. It also has a faster response — photodiode is used in precision equipment, like a laboratory appliances spectrometer.

 

J. Pollock

J. Pollock, Science Professor, Los Angeles

Answered Jul 04, 2019

LDR is known as the Light Dependent Resistor. There are two main types of photosensors, and these are known as the LDR or Light Dependent Resistor and the photodiodes. If you were to ask someone who uses photosensors, which one they use, they would tell you that they use the Light Dependent Resistor because those are used more often than the photodiodes. It is used more and it is less expensive.

LDR is known as the Light Dependent Resistor. There are two main types of photosensors, and these
However, the photodiodes have benefits too over the Light Dependent Resistor. The photodiodes are faster in their response. They are also used in different ways. When using the photodiodes, you must continue to make sure the lighting is good and correct. You don’t need to do that as often with the LDRs.

 

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