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State any two applications of LDR. 

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2 Answers

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LDR are used in alarm clocks. LDR are used in street lights. LDR are used in light intensity meters. LDR are used in burglar alarm. LDR are used in light sensors
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i) In camera for exposure control ii) In photocopy machine iii) In security alarms iv) As smoke detector v) In street light control 

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