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Worksheets

Electronic Materials

Total questions: 28

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

What is the smallest particle of an element that retains the characteristics of that element?

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2.

According to the classic Bohr model, how is an atom visualized?

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3.

How many electrons can the valence shell of an atom contain?

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4.

What determines the conductivity of an atom?

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5.

What is the range of energies possessed by an electron called?

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6.

What happens when electrons are given additional energy?

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7.

What is the purpose of the forbidden band in a semiconductor?

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8.

Why is silicon chosen as the primary semiconductor material?

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9.

What are conductors characterized by?

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10.

What are semiconductors classed below conductors in?

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11.

What are insulating materials used for?

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12.

What is the resistivity range of a semiconductor?

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13.

What is the movement of free electrons in a semiconductive material called?

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14.

What is created when an electron breaks away in a semiconductor?

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15.

What are intrinsic materials in semiconductors characterized by?

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16.

How can extrinsic semiconductors be modified to increase conductivity?

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17.

What type of material is formed by adding impurity elements with five valence electrons?

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18.

What is the majority carrier in an n-type semiconductor?

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19.

What type of material is formed by doping a pure crystal with impurity atoms having three valence electrons?

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20.

What is formed when there is a lack of one electron?

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21.

What is a p-type semiconductor doped with?

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22.

What is the boundary formed between p-type and n-type material called?

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23.

What is the amount of voltage required to move electrons through the electric field at room temperature for silicon?

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24.

What does the arrow symbol in the diode schematic symbol indicate?

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25.

What is the condition that permits current through a diode called?

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26.

What is the resistance associated with the device for a broad swing of input signal called?

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27.

What is the technique for obtaining an equivalent circuit for a diode by approximating the characteristics of the device with straight line segments called?

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28.

What type of analysis is performed by drawing a line on the characteristics of the device that represents the applied load?

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