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Property of the object or of the substance?

Exercise and reference answers

Items
  1. Item
    Resistance R
    Category
    Depends on the sample
  2. Item
    Changes if the wire is made longer
    Category
    Depends on the sample
  3. Item
    Changes if the wire is made thicker
    Category
    Depends on the sample
  4. Item
    Resistivity ρ
    Category
    Property of the material
  5. Item
    Same for any piece of copper
    Category
    Property of the material
Categories
  1. Item
    Depends on the sample
  2. Item
    Property of the material

Explanation

Resistance changes if you cut the wire resistivity does not. Source: syllabus Physics Part I, Ch 3 Current Electricity.
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