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P1: GCSE Science - EDEXCEL

Producing and Measuring Electricity

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LDRs can be used to switch on street lamps automatically at dusk.

P1 Properties of LDR (Light dependent resistor)

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        LDR is a light dependent resistor.

        As the light intensity increases, the resistance of LDR decreases.

        As the light intensity decreases, the resistance of LDR increases.