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
1. Intrinsic semiconductor material is characterized by a valence shell of how many electrons?
- 1
- 2
- 4
- 6
2. Intrinsic semiconductor material is characterized by a valence shell of how many electrons?
- 1
- 2
- 4
- 6
3. Ionization within a P-N junction causes a layer on each side of the barrier called the:
- junction
- depletion region
- barrier voltage
- forward voltage
4. What is the most significant development in electronics since World War II?
- the development of color TV
- the development of the diode
- the development of the transistor
- the development of the TRIAC
6. 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
7. Silicon atoms combine into an orderly pattern called a:
- covalent bond
- crystal
- semiconductor
- valence orbit
8. In "n" type material, majority carriers would be:
- holes
- dopants
- slower
- electrons
9. Elements with 1, 2, or 3 valence electrons usually make excellent:
- conductors
- semiconductors
- insulators
- neutral