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4.3.3 Action and use of circuit components

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Question 50

Which of the following best describes a Light-Dependent Resistor (LDR)?

A

a device that stores electrical charge

B

a light-sensitive resistor whose resistance changes with light intensity

C

a resistor whose resistance depends on temperature

D

a semiconductor device that allows current to flow in only one direction

Markscheme

4.3.3 Action and use of circuit components Questions

  1. IGCSE
  2. /Physics
  3. /4.3.3 Action and use of circuit components

67 exam-style questions on CIE IGCSE Physics 4.3.3 Action and use of circuit components. Each one has a worked solution and a mark scheme showing where the marks go.

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