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Which material has the highest resistivity?

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Question: Which material has the highest resistivity?

Options:

  1. Copper
  2. Aluminum
  3. Iron
  4. Rubber

Correct Answer: Rubber

Solution: 

Rubber has a much higher resistivity compared to metals like copper, aluminum, and iron.

Which material has the highest resistivity?

Practice Questions

Q1
Which material has the highest resistivity?
  1. Copper
  2. Aluminum
  3. Iron
  4. Rubber

Questions & Step-by-Step Solutions

Which material has the highest resistivity?
Correct Answer: Rubber
  • Step 1: Understand what resistivity means. Resistivity is a measure of how much a material resists the flow of electric current.
  • Step 2: Know that different materials have different resistivity values. Metals usually have low resistivity, while insulators have high resistivity.
  • Step 3: Identify common materials. Examples of metals include copper, aluminum, and iron, which have low resistivity.
  • Step 4: Compare these metals to insulators. Rubber is an example of an insulator, which has a much higher resistivity than metals.
  • Step 5: Conclude that among common materials, rubber has the highest resistivity compared to metals like copper, aluminum, and iron.
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