Question

Name five insulators and conductors of heat and their practical use.

Answer 1

• Insulators:

1. Rubber
2. Plastic
3. Wood
4. Card-board
5. Fibre

Practical use: To avoid the flow of charge (current), to prevent shock etc.,

• Conductors:

1. Metals
2. Mercury
3. Impure water (salt water)
4. Human body
5. Graphite

Practical use: For the flow of charge (current)