Question

We wear woollen garments to keep us warm in winter, as because

• A. It is a bad conductor of electricity.
• B. It is a good conductor of heat.
• C. It is a bad conductor of heat.
• D. It is a good conductor of electricity.

Answer 1

The correct option is C

It is a bad conductor of heat.

Its just because woollen clothes have fibres and between those fibres air is trapped which reduces heat loss. Air reduces heat loss because it is an insulator or poor conductor of heat.