Which element is commonly used as a semiconductor in transistors?
AGermanium
BSilicon
CGallium
DCarbon
Explanation
• Silicon’s unique electronic properties make it ideal for manufacturing modern microchips.
• It is abundant in the Earth’s crust as silica (sand).
• It revolutionized the computing and electronics industries.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers

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