Question: Which of the following materials has the highest resistivity?
Options:
Copper
Aluminum
Silver
Rubber
Correct Answer: Rubber
Solution:
Rubber is an insulator and has a much higher resistivity compared to metals like copper, aluminum, and silver.
Which of the following materials has the highest resistivity?
Practice Questions
Q1
Which of the following materials has the highest resistivity?
Copper
Aluminum
Silver
Rubber
Questions & Step-by-Step Solutions
Which of the following materials 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: Identify the types of materials listed in the question. Common materials include metals (like copper, aluminum, and silver) and insulators (like rubber).
Step 3: Know that metals are good conductors of electricity, meaning they have low resistivity.
Step 4: Recognize that rubber is an insulator, which means it does not conduct electricity well and has high resistivity.
Step 5: Compare the resistivity of rubber with that of metals. Since rubber has much higher resistivity than metals, it is the material with the highest resistivity.
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