Which Statement A-D Regarding Semiconductors Is Not Correct

question 24

Multiple Choice

Which statement A-D regarding semiconductors is not correct?

• A)An undoped semiconductor does not conduct electricity because it has a filled valence band and a vacant conduction band.
• B)Doping silicon with phosphorous produces an n-type semiconductor.
• C)An n-type semiconductor has electrons in its conduction band.
• D)Doping silicon with gallium removes electrons from the valence band to enhance the conductivity.
• E)Statements A-D all are correct.

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Definitions:

Natural Monopoly

A market condition where due to high fixed costs or unique product, a single supplier is most efficient in serving the entire market demand.

Single-Firm Production

The manufacturing or creation of products by one company, without relying on external firms for major components or processes.

Local Phone Market

The segment of the telecommunications industry that deals with providing telephone services within a specific geographic area.

Complete Monopolies

Situations where a single firm or entity has exclusive control over the supply of a particular good or service, with no close substitutes available.