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If two resistors of resistivity 5 x 10^-6 Ω·m are connected in series, what is t

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Question: If two resistors of resistivity 5 x 10^-6 Ω·m are connected in series, what is the total resistivity?

Options:

  1. 5 x 10^-6 Ω·m
  2. 10 x 10^-6 Ω·m
  3. 2.5 x 10^-6 Ω·m
  4. None of the above

Correct Answer: 5 x 10^-6 Ω·m

Solution: 

Resistivity is a property of the material, not the configuration; it remains 5 x 10^-6 Ω·m.

If two resistors of resistivity 5 x 10^-6 Ω·m are connected in series, what is t

Practice Questions

Q1
If two resistors of resistivity 5 x 10^-6 Ω·m are connected in series, what is the total resistivity?
  1. 5 x 10^-6 Ω·m
  2. 10 x 10^-6 Ω·m
  3. 2.5 x 10^-6 Ω·m
  4. None of the above

Questions & Step-by-Step Solutions

If two resistors of resistivity 5 x 10^-6 Ω·m are connected in series, what is the total resistivity?
  • Step 1: Understand that resistivity is a property of the material, not the arrangement of resistors.
  • Step 2: Note that both resistors have the same resistivity value of 5 x 10^-6 Ω·m.
  • Step 3: Realize that when resistors are connected in series, the total resistance changes, but the resistivity does not.
  • Step 4: Conclude that the total resistivity remains the same at 5 x 10^-6 Ω·m.
  • Resistivity vs Resistance – Resistivity is an intrinsic property of a material that does not change with the configuration of resistors, while resistance depends on the arrangement and number of resistors.
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