The non-metallic mineral mica is used in which of the following industries?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Electrical industry .
Mica is a non-metallic mineral known for its excellent electrical insulating properties, high thermal resistance, and ability to be split into thin, transparent sheets. These qualities make it highly valuable in the electrical and electronics industry, where it is used in the manufacture of electrical insulators, capacitors, heating elements, and various electronic devices. Mica’s stability under high voltage and temperature makes it ideal for use in switches, transformers, and circuit boards. India is one of the largest producers of mica in the world.
Other options :
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Glass industry: Uses silica, not mica.
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Cement industry: Uses limestone, clay, and gypsum.
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Steel industry: Uses iron ore, coal, and limestone, not mica.