Electrical Engineering XYZ MCQ on Semiconductor Theory
Doped silicon is best classified as
- An impurity
- A conductor
- A semiconductor
- An insulator
Correct answer: 3. A semiconductor
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Explanation:
Doping refers to the intentional introduction of impurities into a semiconductor material, such as silicon, to alter its electrical properties. Silicon itself is a semiconductor. When it is doped with specific impurities, it can become either an N-type semiconductor or a P-type semiconductor. This controlled doping is what allows the creation of electronic devices like transistors, diodes, and integrated circuits, forming the basis of modern electronics. Therefore, doped silicon is best classified as a semiconductor.