what is effect of light on resistance of LDR
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Light-dependent resistor (LDR)
The resistance of a LDR depends on light intensity. At low light levels, the LDR has a high resistance. As the light intensity increases, the resistance decreases. A LDR can be used as a sensor in cameras or automatic lights that come on when it gets dark.
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When the light level decreases the resistance of the LDR increases.As the resistance increases in relation to the other resister,which has a fixed resistance,it causes the voltage dropped across the LDR to also increase..
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