The Band Structure of Semiconductors Differs from That of Metal

question 144

Multiple Choice

The band structure of semiconductors differs from that of metal conductors in that

• A)metal bands are relatively empty while semiconductor bands are nearly full.
• B)metal bands are nearly full while semiconductor bands are relatively empty.
• C)metal conduction bands are lower in energy than valence bands while semiconductor conduction bands are higher in energy than valence bands.
• D)metal conduction bands are higher in energy than valence bands while semiconductor conduction bands are lower in energy than valence bands.
• E)valence bands in metals are either partially empty or overlap with conduction bands while these bands in semiconductors are separated in energy by a small gap.

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Definitions:

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A decision-making process that involves determining the quantity of a good or service to buy or consume, considering factors like price, utility, and budget constraints.

Margin Decision

A determination made by comparing the additional costs against the additional benefits of an action.

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The act of consuming a beverage made from ground and brewed coffee beans.

Marginal Analysis

An approach in economics that evaluates the impact of a small unit change in a variable on the overall outcome of a decision.