Semiconducto theory Multiple Choice Questions with Brief explanatory answer
Contents
- 1 What is the primary charge carrier in an N-type semiconductor
- 2 In a P-type semiconductor, what is the majority charge carrier
- 3 What is the process by which a semiconductor becomes an N-type semiconductor through the addition of certain atoms
- 4 The bandgap of a semiconductor is the energy difference between the
- 5 What happens to the electrical conductivity of a semiconductor as temperature increases
- 6 Which semiconductor device acts as an electronic switch
- 7 What is the purpose of a rectifier in semiconductor applications
- 8 What is the function of a Schottky diode
- 9 Which of the following materials is commonly used as a semiconductor
- 10 What is the role of a semiconductor in the operation of an integrated circuit (IC)
What is the primary charge carrier in an N-type semiconductor
What is the primary charge carrier in an N-type semiconductor?
- Protons
- Electrons
- Holes
- Neutrons
Correct Answer: 2. Electrons
In a P-type semiconductor, what is the majority charge carrier
In a P-type semiconductor, what is the majority charge carrier?
- Electrons
- Holes
- Protons
- Neutrons
Correct Answer: 2. Holes
What is the process by which a semiconductor becomes an N-type semiconductor through the addition of certain atoms
What is the process by which a semiconductor becomes an N-type semiconductor through the addition of certain atoms?
- Ionization
- Doping
- Excitation
- Depletion
Correct Answer: 2. Doping
The bandgap of a semiconductor is the energy difference between the
The bandgap of a semiconductor is the energy difference between the:
- Valence band and the conduction band
- N-type and P-type regions
- Holes and electrons
- Fermi level and the conduction band
Correct Answer: 1. Valence band and the conduction band
What happens to the electrical conductivity of a semiconductor as temperature increases
What happens to the electrical conductivity of a semiconductor as temperature increases?
- Increases
- Decreases
- Remains constant
- Depends on the doping
Correct Answer: 1. Increases
Which semiconductor device acts as an electronic switch
Which semiconductor device acts as an electronic switch?
- Resistor
- Capacitor
- Diode
- Transistor
Correct Answer: 4. Transistor
What is the purpose of a rectifier in semiconductor applications
What is the purpose of a rectifier in semiconductor applications?
- Amplify signals
- Convert AC to DC
- Control the flow of electrons
- Generate oscillations
Correct Answer: 2. Convert AC to DC
What is the function of a Schottky diode
What is the function of a Schottky diode?
- Light emission
- Voltage regulation
- Rectification
- Amplification
Correct Answer: 3. Rectification
Which of the following materials is commonly used as a semiconductor
Which of the following materials is commonly used as a semiconductor?
- Copper
- Silicon
- Aluminum
- Iron
Correct Answer: 2. Silicon
What is the role of a semiconductor in the operation of an integrated circuit (IC)
What is the role of a semiconductor in the operation of an integrated circuit (IC)?
- To provide mechanical support
- To control the flow of current
- To store data
- To emit light
Correct Answer: 2. To control the flow of current