LDR construction and working principle
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YouTubeElectronics Education
LDR construction and working principle
A Light Dependent Resistor (LDR) is a passive sensor whose resistance changes with light intensity. It is made from a photoconductive material deposited on a ceramic base with metal electrodes and protective coating. In the voltage divider shown, the LDR is connected with a fixed resistor R2. As light increases, LDR resistance decreases ...
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