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Semiconductor Basics Quiz

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Questions and Answers

What is the defining characteristic of a semiconductor?

Total absence of energy bands

Low conductivity (correct)

Complete insulating ability

High conductivity

Which materials are examples of semiconductors?

Wood and glass

Germanium and silicon (correct)

Copper and aluminum

Plastic and rubber

What is the energy gap in semiconductors?

10 eV

0.5 eV

5 eV

1 eV (correct)

What type of semiconductor is built of highly pure semiconductor material?

Intrinsic semiconductor Signup and view all the answers

What are extrinsic semiconductors also known as?

Impurity semiconductors Signup and view all the answers

What is the defining characteristic of a semiconductor material?

Low electrical conductivity Signup and view all the answers

Which type of semiconductor has a nearly empty conduction band and a nearly filled valence band separated by a narrow energy gap?

Intrinsic semiconductor Signup and view all the answers

What is the defining characteristic of an intrinsic semiconductor?

Number of conduction electrons equals the number of holes Signup and view all the answers

How are extrinsic semiconductors different from intrinsic semiconductors?

Higher impurity content Signup and view all the answers

What are examples of intrinsic semiconductors?

Germanium and silicon Signup and view all the answers