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Questions and Answers
What happens to the resistance of a light dependent resistor when light falls on it?
What happens to the resistance of a light dependent resistor when light falls on it?
- It becomes infinite
- It decreases (correct)
- It remains constant
- It increases
What is the resistance of a light dependent resistor in dark conditions?
What is the resistance of a light dependent resistor in dark conditions?
- Very high (correct)
- Constant
- Very low
- Zero
What happens to the resistance of a light dependent resistor when it absorbs light?
What happens to the resistance of a light dependent resistor when it absorbs light?
- It increases
- It decreases drastically (correct)
- It becomes infinite
- It remains constant
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Study Notes
Light Dependent Resistor (LDR)
- When light falls on a light dependent resistor, its resistance decreases.
- In dark conditions, the resistance of a light dependent resistor is high.
- When a light dependent resistor absorbs light, its resistance decreases, making it more conductive.
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