AExE01 · Chapter 1Basic Electrical & Electronics🏛️ Past Licensure QuestionID: 3e1a4a89
What is the primary technological utility of a semiconductor material?
What is the primary technological utility of a semiconductor material?
Multiple Choice Options
- A
Conducting electricity fully
- B
Insulating electricity
- C✓ Correct Option
Controlling electrical current
- D
Storing data permanently
Detailed Technical Solution & Explanation
Semiconductors have electrical conductivity intermediate between conductors and insulators. Their unique utility stems from the ability to precisely control charge carrier concentrations and current flow via doping, applied electric fields (as in FETs), temperature, or light.
Option Analysis:
•
Option A (Conducting electricity fully): Incorrect. Metals (copper, aluminum) conduct electricity with minimal resistance.
•
Option B (Insulating electricity): Incorrect. Dielectrics (glass, rubber) prevent current conduction.
•
Option C (Controlling electrical current): Correct. Semiconductors enable controllable switching, amplification, and rectification.
•
Option D (Storing data permanently): Incorrect. Permanent storage describes magnetic or optical media, though semiconductors can build volatile/non-volatile memory cells.
Reference: Demo2 · Set 1NEC Licensure Syllabus