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Physics · Thermal Properties of Matter

JEE Main 2025 — 29 January, Evening Shift — Question 17

The difference of temperature in a material can convert heat energy into electrical energy. To harvest the heat energy, the material should have

  1. Option A:

    low thermal conductivity and low electrical conductivity

  2. Option B:

    high thermal conductivity and high electrical conductivity

  3. Option C:

    low thermal conductivity and high electrical conductivity

    Correct
  4. Option D:

    high thermal conductivity and low electrical conductivity

Answer: C

Step-by-step solution

See-back effect Low thermal conductivity High electrical conductivity

Answer key and solution verified before publishing.

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Exam
JEE Main 2025
Paper
29 January, Evening Shift
Subject
Physics
Chapter
Thermal Properties of Matter
Topic
Thermal Expansion of Solids and its Applications
The difference of temperature in a material can convert heat energy… | JEE Main 2025 PYQ with Solution · DhiX AI