# Which of the following is good conductor of heat but bad conduct of electricity? with Answer - Everyday Science Mcqs | TestPrep

> Solved MCQ: Which of the following is good conductor of heat but bad conduct of electricity? Correct Answer: D. Mica. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Which of the following is good conductor of heat but bad conduct of electricity?

Direct Answer & Quick Reference

The correct option is **D. Mica**.

Mica is a good conductor of heat but had a bad conductor of electricity. Mica has good thermal conductivity due to phonons but doesn’t have sufficient free electrons to be a good c...

A. Aluminium

B. Titanium

C. Abestos

D. Mica **(Correct Answer)**

✨ Explain with AI

Verified Key: D. Mica
Solved by 3,918+ students

**Detailed Explanation & Reference:**

Mica is a good conductor of heat but had a bad conductor of electricity. Mica has good thermal conductivity due to phonons but doesn’t have sufficient free electrons to be a good conductor of electricity. The important micas are muscovite and phlogopite, which are used in a variety of applications. Mica’s value is based on several of its unique physical properties. The crystalline structure of mica forms layers that can be split or delaminated into thin sheets usually causing foliation in rocks.

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