QUESTIONS WITH SOLUTIONS VERIFIED
ANSWERS
●● What is the primary function of a Light-Dependent Resistor (LDR)
in a circuit?
Answer: To detect light levels
●● Describe the circuit symbol for a Light-Dependent Resistor (LDR).
Answer: A rectangle (resistor symbol) inside a circle, with two arrows
pointing towards it
●● How does the resistance of an LDR behave in dark conditions?
Answer: It has a high resistance
●● How does the resistance of an LDR behave in bright light
conditions?
Answer: The resistance is very low
●● What is the resistance of an LDR when the light intensity is low?
Answer: The resistance is high