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Which of the following statements is true regarding thermal conductivity? (2023)

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Question: Which of the following statements is true regarding thermal conductivity? (2023)

Options:

  1. It is higher in gases than in solids
  2. It is a measure of a material\'s ability to conduct heat
  3. It increases with temperature
  4. It is independent of material properties

Correct Answer: It is a measure of a material\'s ability to conduct heat

Exam Year: 2023

Solution:

Thermal conductivity is a measure of a material\'s ability to conduct heat; it varies with material and temperature.

Which of the following statements is true regarding thermal conductivity? (2023)

Practice Questions

Q1
Which of the following statements is true regarding thermal conductivity? (2023)
  1. It is higher in gases than in solids
  2. It is a measure of a material's ability to conduct heat
  3. It increases with temperature
  4. It is independent of material properties

Questions & Step-by-Step Solutions

Which of the following statements is true regarding thermal conductivity? (2023)
  • Step 1: Understand what thermal conductivity means. It is how well a material can transfer heat.
  • Step 2: Recognize that different materials have different thermal conductivities. For example, metals usually conduct heat better than wood.
  • Step 3: Note that thermal conductivity can change with temperature. As temperature increases, some materials may conduct heat better or worse.
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