Could the concept of a semiconductor be used to describe the qualitative difference between a conductor and an insulator? Instead of just explaining things, why not use a graph to show how they work?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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**Transcription:**

"Could the concept of a semiconductor be used to describe the qualitative difference between a conductor and an insulator? Instead of just explaining things, why not use a graph to show how they work?"

**Explanation for Educational Website:**

This text prompts an exploration into the differences between conductors, semiconductors, and insulators. It suggests using a graphical representation to illustrate these differences more effectively than through verbal explanation alone. 

### Additional Information:

- **Conductors** allow electricity to flow freely due to their low resistivity. Examples include copper and aluminum.
- **Insulators** resist the flow of electricity, with high resistivity preventing electrical current. Examples include rubber and glass.
- **Semiconductors** have properties intermediate between conductors and insulators. They can conduct electricity under certain conditions, making them useful in electronic devices.

### Suggested Graph Explanation:

In the graph, you could:

- Plot **Conductivity** (or resistivity) on the Y-axis.
- List **Material Types** (conductors, semiconductors, insulators) on the X-axis.

This graph would show conductors at the high end of the conductivity scale, insulators at the low end, and semiconductors in between, demonstrating the qualitative differences in their ability to conduct electricity.
Transcribed Image Text:**Transcription:** "Could the concept of a semiconductor be used to describe the qualitative difference between a conductor and an insulator? Instead of just explaining things, why not use a graph to show how they work?" **Explanation for Educational Website:** This text prompts an exploration into the differences between conductors, semiconductors, and insulators. It suggests using a graphical representation to illustrate these differences more effectively than through verbal explanation alone. ### Additional Information: - **Conductors** allow electricity to flow freely due to their low resistivity. Examples include copper and aluminum. - **Insulators** resist the flow of electricity, with high resistivity preventing electrical current. Examples include rubber and glass. - **Semiconductors** have properties intermediate between conductors and insulators. They can conduct electricity under certain conditions, making them useful in electronic devices. ### Suggested Graph Explanation: In the graph, you could: - Plot **Conductivity** (or resistivity) on the Y-axis. - List **Material Types** (conductors, semiconductors, insulators) on the X-axis. This graph would show conductors at the high end of the conductivity scale, insulators at the low end, and semiconductors in between, demonstrating the qualitative differences in their ability to conduct electricity.
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