LIGHT OPERATED SWITCH. Dinieta Indiarni Ines Adhiaksono Putri. Circuit. Light bulb. Ra. battery. Rb. LDR. Circuit concept.
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Ines Adhiaksono Putri
A resistor that act upon light exposure. The circuit symbol is box with a circle . When light falls on the LDR, the resistance, hence the voltage coming across it is decreasing.