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    Why does the resistance of an LDR increases,as th light intensity decreases?
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    Because you made this thread before.
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    No, their resistance decreases as light intensity increases.

    http://www.bbc.co.uk/schools/gcsebit...ancerev6.shtml
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    (Original post by ravioliyears)
    No, their resistance decreases as light intensity increases.

    http://www.bbc.co.uk/schools/gcsebit...ancerev6.shtml
    She put light intensity decrease in he post
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    It has something to do with it being made of a semiconductor that absorbs photons and, depending on the frequency, it then changes the overall resistance

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    (Original post by Geek_shay)
    Why does the resistance of an LDR increases,as th light intensity decreases?
    As light intensity incident on the ldr increases more electrons are freed improving conductivity hence resistance decreases
 
 
 
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