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4.3 Electric circuits

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Question 93

Which electronic component has a resistance that decreases when the temperature increases, and is commonly used in temperature-dependent switching circuits?

A

a thermistor

B

a light-dependent resistor (LDR)

C

a capacitor

D

a variable resistor

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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