Electronic Components

Electronic Components

Assessment

Flashcard

•

Science

•

9th - 12th Grade

•

Hard

Created by

Barbara White

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

Semiconductor Noun

[sem-ee-kuhn-duhk-ter]

Back

Semiconductor


A material with electrical conductivity between a conductor and an insulator, whose conductivity can be altered by temperature or impurities.

Example: This image shows a simple circuit where the light bulb is only half-lit, illustrating how a semiconductor material only partially conducts electricity.
Media Image

2.

FLASHCARD QUESTION

Front

Doping Noun

[doh-ping]

Back

Doping


The process of intentionally introducing impurities, called dopants, into a pure semiconductor crystal to enhance its electrical conductivity.

Example: Adding an impurity atom (Phosphorus) to a pure material (Silicon) introduces an extra electron, changing the material's electrical properties for use in electronic components.
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3.

FLASHCARD QUESTION

Front

n-type Semiconductor Noun

[en-tahyp sem-ee-kuhn-duhk-ter]

Back

n-type Semiconductor


A semiconductor doped with electron donor atoms, resulting in an excess of free electrons that act as negative charge carriers.

Example: This diagram shows a silicon (Si) crystal doped with a phosphorus (P) atom, which has an extra, free-moving electron (e-), making the material an n-type semiconductor.
Media Image

4.

FLASHCARD QUESTION

Front

p-type Semiconductor Noun

[pee-tahyp sem-ee-kuhn-duhk-ter]

Back

p-type Semiconductor


A semiconductor doped with electron acceptor atoms, creating an excess of 'holes' that act as positive charge carriers.

Example: Doping a silicon crystal with a boron atom, which has fewer valence electrons, creates a 'void' or 'hole.' This missing electron acts as a positive charge carrier.
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5.

FLASHCARD QUESTION

Front

Hole Noun

[hohl]

Back

Hole


The absence of an electron in a covalent bond within a semiconductor, which behaves as a mobile positive charge carrier.

Example: In a semiconductor, a 'hole' is the absence of an electron. As an electron moves to fill a hole, it leaves a new hole behind, causing the hole to appear to move.
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6.

FLASHCARD QUESTION

Front

Diode Noun

[dahy-ohd]

Back

Diode


A two-terminal electronic component, typically made from a pn-junction, that conducts electrical current primarily in only one direction.

Example: This image shows a diode's circuit symbol and physical look. The labels point to the anode (+) and cathode (-), its two electrical terminals.
Media Image

7.

FLASHCARD QUESTION

Front

pn-junction Noun

[pee-en juhngk-shuhn]

Back

pn-junction


The boundary or interface between a layer of p-type semiconductor and a layer of n-type semiconductor within a single crystal.

Example: This diagram shows a pn-junction, where a P-type and an N-type semiconductor meet, creating a 'depletion region' with no free electrons or holes.
Media Image

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