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GCSE Combined Science · key term
A resistor whose resistance decreases as the light intensity falling on it increases.
Used by OCR
Specification P3.2b · Physics Paper 1
Revise: Circuit Conventions and SymbolsThe arrows pointing towards the LDR represent incoming light. They are not current arrows. The variable resistor's arrow instead indicates that its resistance can be adjusted.
Keep the arrows on an LDR pointing towards the resistor. A variable resistor has an arrow through its rectangle.
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