LDR Working Principle | How to test LDR using multimeter | by ElectroTonics

LDR Working Principle | How to test LDR using multimeter | by ElectroTonics

A photoresistor or LDR ( light dependent resistor ) is an passive electronic component that is sensitive to light. When light falls upon it, then the resistance changes.

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This video is also about testing of LDR using a multimeter. The function of LDR is shown practically. Light is used to show the change of LDR resistance. LDR means Light Dependent Resistor and it is used in various useful applications. LDR works as light sensor and changes its value with the change of light intensity.

It is obvious from the name LDR that it is light dependent resistor which shows variation in resistance when light intensity is varied.
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