Question

In which of the following industries is mica used as a raw material?
1. Iron and steel
2. Glass and pottery
3. Toys
4. Electrical

Answer 1

Correct Answer - Option 4 : Electrical

The correct answer is Electrical.

• In electrical industries, mica is used as a raw material.

•  Mica also has interesting physical characteristics, it is practically incompressible and presents excellent tensile strength and flexibility.
  • Furthermore, mica is incombustible and withstands temperatures up to 600 °C, or over 1000 °C (1830 °F) in the case of phlogopite.
  • Mica is a mineral made up of a series of plates or leaves.
  • It splits easily into thin sheets. These sheets can be so thin that a thousand can be layered into a mica sheet of a few centimeters high.
  • Mica can be clear, black, green, red-yellow, or brown.