Light Dependent Resistor (LDR)-Construction and Working

Light Dependent Resistor

Optoelectronics devices are the devices that alters their electrical characteristics, in the presence of visible or invisible light. The various types are light dependent resistor (LDR), photodiode and phototransistor. Construction of Light Dependent Resistor (LDR) Light dependent resistor (LDR) are made from cadmium sulphide which contains no or very few free electrons when not illuminated. … Read more Light Dependent Resistor (LDR)-Construction and Working