Podcast
Questions and Answers
What happens to the resistance of a semiconductor when a trivalent impurity is added?
What happens to the resistance of a semiconductor when a trivalent impurity is added?
- Decreases
- Remains the same
- Becomes zero
- Increases (correct)
What is responsible for conduction in semiconductors?
What is responsible for conduction in semiconductors?
- Electrons (correct)
- Both electrons and neutrons
- Neutrons
- Holes
How many terminals does a PN junction diode have?
How many terminals does a PN junction diode have?
- 1
- 2 (correct)
- 3
- 4
What symbol represents the anode terminal of a PN junction diode?
What symbol represents the anode terminal of a PN junction diode?
What happens to the resistance of a pure semiconductor when it is heated?
What happens to the resistance of a pure semiconductor when it is heated?
What does the addition of a pentavalent impurity to a semiconductor create?
What does the addition of a pentavalent impurity to a semiconductor create?
In semiconductor manufacturing, what is the process of drawing a circuit design onto a wafer called?
In semiconductor manufacturing, what is the process of drawing a circuit design onto a wafer called?
What is the glass substrate with a computer-designed circuit pattern called in semiconductor manufacturing?
What is the glass substrate with a computer-designed circuit pattern called in semiconductor manufacturing?
Which of the following processes in semiconductor manufacturing involves spraying oxygen or water vapor on the wafer surface to form an oxide film?
Which of the following processes in semiconductor manufacturing involves spraying oxygen or water vapor on the wafer surface to form an oxide film?
When chemical solutions are used for etching in semiconductor manufacturing, what is this process called?
When chemical solutions are used for etching in semiconductor manufacturing, what is this process called?
Which term best describes the resultant silicon rod after the semiconductor manufacturing process?
Which term best describes the resultant silicon rod after the semiconductor manufacturing process?
What type of etching uses gas or plasma for material removal in semiconductor manufacturing?
What type of etching uses gas or plasma for material removal in semiconductor manufacturing?
What is the type of semiconductor material that has an equal number of electrons and holes?
What is the type of semiconductor material that has an equal number of electrons and holes?
What is the minimum voltage required to produce a large forward current in a silicon diode?
What is the minimum voltage required to produce a large forward current in a silicon diode?
Which of the following materials has the highest thermal conductivity?
Which of the following materials has the highest thermal conductivity?
What is the barrier potential of a silicon diode at room temperature?
What is the barrier potential of a silicon diode at room temperature?
Which of the following elements has four valence electrons and is classified as an elemental semiconductor?
Which of the following elements has four valence electrons and is classified as an elemental semiconductor?
Why is copper preferred over silver for making conducting wires?
Why is copper preferred over silver for making conducting wires?
What is the charge of a hole in a semiconductor?
What is the charge of a hole in a semiconductor?
How many protons are there in the nucleus of a copper atom?
How many protons are there in the nucleus of a copper atom?
What causes the holes in an intrinsic semiconductor at room temperature?
What causes the holes in an intrinsic semiconductor at room temperature?
What is the merging of a free electron and a hole called?
What is the merging of a free electron and a hole called?
How does an intrinsic silicon crystal act at room temperature?
How does an intrinsic silicon crystal act at room temperature?
What is the valence electron of a conductor also called?
What is the valence electron of a conductor also called?
What is the movement of free electrons in a conductor called?
What is the movement of free electrons in a conductor called?
What is the boundary between p-type material and n-type material called?
What is the boundary between p-type material and n-type material called?
As the forward current through a silicon diode increases, what happens to the internal resistance?
As the forward current through a silicon diode increases, what happens to the internal resistance?
What occurs when a conduction-band electron loses energy and falls back into a hole in the valence band?
What occurs when a conduction-band electron loses energy and falls back into a hole in the valence band?
What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?
What types of impurity atoms are added to increase the number of conduction-band electrons in intrinsic silicon?
Which factor(s) does the barrier potential of a pn junction depend on?
Which factor(s) does the barrier potential of a pn junction depend on?
