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
32. When a voltage is placed across a semiconductor, free electrons move toward the negative voltage.
- TRUE
- FALSE
34. Germanium is the most widely used semiconductor material because of its stability at high temperatures.
- TRUE
- FALSE
35. The natural elements carbon, germanium, and silicon are semiconductors.
- TRUE
- FALSE
37. The number of electrons in the outer shell of carbon, germanium, and silicon is 5.
- TRUE
- FALSE
38. The n-type semiconductor material is doped by adding material with electron holes.
- TRUE
- FALSE
39. Ionization within a P-N junction causes a layer on each side of the barrier called the:
- junction
- depletion region
- barrier voltage
- forward voltage
40. 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