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4.3 Electric circuits

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Question 33

Which row in the table correctly shows a use of a diode and a use of a light-dependent resistor (LDR)?

Use of a diodeUse of an LDR
AVoltage transformationAutomatic lighting circuit
BRectificationVoltage transformation
CRectificationAutomatic lighting circuit
DAutomatic lighting circuitVoltage transformation
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

4.3 Electric circuits Questions

  1. IGCSE
  2. /Physics
  3. /4.3 Electric circuits

136 exam-style questions on CIE IGCSE Physics 4.3 Electric circuits, covering 4.3.1a Circuit diagrams and circuit components, 4.3.2a Series circuits, 4.3.2b Parallel circuits, 4.3.2c Current and potential difference in circuits, 4.3.2d Combined resistance of resistors in parallel, and 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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