What is the effect of increasing the length of a conductor on its resistivity?

Practice Questions

Q1
What is the effect of increasing the length of a conductor on its resistivity?
  1. Increases
  2. Decreases
  3. No effect
  4. Depends on the material

Questions & Step-by-Step Solutions

What is the effect of increasing the length of a conductor on its resistivity?
  • Step 1: Understand what resistivity is. Resistivity is a property of a material that tells us how much it resists the flow of electric current.
  • Step 2: Know that resistivity is determined by the type of material, not its shape or size.
  • Step 3: Realize that when we increase the length of a conductor (like a wire), we are changing its resistance, not its resistivity.
  • Step 4: Remember that resistivity remains constant for a given material, regardless of how long or short the conductor is.
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