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Match each device or material to its behaviour

Exercise and reference answers

Matching pairs
  1. Left
    A rectifier
    Right
    non-linear, and sensitive to the sign of V
  2. Left
    GaAs
    Right
    a non-unique relation between V and I
  3. Left
    Metals
    Right
    resistivity around 10⁻⁸ to 10⁻⁶ Ω m
  4. Left
    Glass and rubber
    Right
    resistivity vastly higher than metals

Explanation

The chapter's own examples of Ohm's law breaking down. Source: syllabus Physics Part I, Ch 3 Current Electricity.
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