Resistivity ranges

Exercise and reference answers

Questions

1. Question

   Metals have resistivity in the range

   Choices

   1. above 10⁸ Ω m
   2. 10⁻² to 10⁻⁸ Ω m
   3. exactly 1 Ω m

   Correct choice

   10⁻² to 10⁻⁸ Ω m

2. Question

   Insulators have resistivity

   Choices

   1. below 10⁻⁸ Ω m
   2. around zero
   3. above 10⁸ Ω m

   Correct choice

   above 10⁸ Ω m

3. Question

   Semiconductors sit

   Choices

   1. between the two
   2. below metals
   3. above insulators

   Correct choice

   between the two

Explanation