Semiconductor Principles Questions and Answers
The Semiconductor Principles form the foundation of modern electronics, explaining how materials like silicon and germanium conduct electricity. This section includes semiconductor aptitude questions and answers with explanations, focusing on topics like energy bands, doping, charge carriers, and PN junctions. Designed for aspirants preparing for GATE, ISRO, or DRDO exams, these questions help in understanding theoretical and practical aspects of semiconductors. Practice these semiconductor principle questions with answers to strengthen your grasp of electronics fundamentals and prepare effectively for competitive technical exams.
Semiconductor Principles
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63 questions
42. What is an energy gap?
- the space between two orbital shells
- the energy equal to the energy acquired by an electron passing a 1 V electric field
- the energy band in which electrons can move freely
- an energy level at which an electron can exist
43. Silicon atoms combine into an orderly pattern called a:
- covalent bond
- crystal
- semiconductor
- valence orbit
44. In "n" type material, majority carriers would be:
- holes
- dopants
- slower
- electrons
45. Elements with 1, 2, or 3 valence electrons usually make excellent:
- conductors
- semiconductors
- insulators
- neutral
47. Which material may also be considered a semiconductor element?
- carbon
- ceramic
- mica
- argon
48. In "p" type material, minority carriers would be:
- holes
- dopants
- slower
- electrons
49. What can a semiconductor sense?
- magnetism
- temperature
- pressure
- all of the above
50. When an electron jumps from the valence shell to the conduction band, it leaves a gap. What is this gap called?
- energy gap
- hole
- electron-hole pair
- recombination