Which material is commonly used as a semiconductor?
a) Copper
b) Aluminum
c) Silicon
d) Gold
Answer: c) Silicon
What is the process of adding impurities to a semiconductor called?
a) Doping
b) Polishing
c) Etching
d) Annealing
Answer: a) Doping
Which type of doping introduces extra electrons into a semiconductor?
a) N-type
b) P-type
c) Intrinsic
d) Extrinsic
Answer: a) N-type
Which type of doping introduces extra holes into a semiconductor?
a) N-type
b) P-type
c) Intrinsic
d) Extrinsic
Answer: b) P-type
What is the majority charge carrier in an N-type semiconductor?
a) Electrons
b) Holes
c) Protons
d) Neutrons
Answer: a) Electrons
What is the majority charge carrier in a P-type semiconductor?
a) Electrons
b) Holes
c) Protons
d) Neutrons
Answer: b) Holes
What is the band gap of a semiconductor?
a) The energy difference between the valence band and the conduction band
b) The energy difference between the highest occupied energy level and the lowest unoccupied energy level
c) The energy required to move an electron from the valence band to the conduction band
d) The energy required to move an electron from the conduction band to the valence band
Answer: a) The energy difference between the valence band and the conduction band
At absolute zero temperature, a semiconductor behaves as a:
a) Conductor
b) Insulator
c) Superconductor
d) None of the above
Answer: b) Insulator
When a semiconductor is doped, the number of free electrons:
a) Increases in N-type and decreases in P-type
b) Increases in P-type and decreases in N-type
c) Increases in both N-type and P-type
d) Decreases in both N-type and P-type
Answer: c) Increases in both N-type and P-type
What is the process of combining an N-type and P-type semiconductor to create a diode called?
a) Diffusion
b) Doping
c) Rectification
d) Junction
Answer: d) Junction
The forward biasing of a diode:
a) Increases the barrier potential
b) Decreases the barrier potential
c) Reverses the direction of current flow
d) Has no effect on the barrier potential
Answer: b) Decreases the barrier potential
The reverse biasing of a diode:
a) Increases the barrier potential
b) Decreases the barrier potential
c) Reverses the direction of current flow
d) Has no effect on the barrier potential
Answer: a) Increases the barrier potential
What is the process of using light to create electron-hole pairs in a semiconductor called?
a) Diffusion
b) Generation
c) Recombination
d) Photoexcitation
Answer: d) Photoexcitation
What is the phenomenon in which a voltage across a semiconductor device causes a current to flow called?
a) Capacitance
b) Inductance
c) Resistance
d) Conductance
Answer: c) Resistance
Which property of a semiconductor determines its resistance to the flow of electric current?
a) Conductivity
b) Resistivity
c) Mobility
d) Saturation
Answer: b) Resistivity
What is the process of converting light energy into electrical energy called?
a) Photovoltaic effect
b) Photoelectric effect
c) Electromagnetic induction
d) Thermoelectric effect
Answer: a) Photovoltaic effect
Which device is used to amplify electrical signals in semiconductor circuits?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
Answer: a) Transistor
Which type of transistor has three layers of semiconductor material?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: a) BJT (Bipolar Junction Transistor)
Which type of transistor has a metal-oxide-semiconductor structure?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
What is the purpose of a diode in a rectifier circuit?
a) To convert AC (Alternating Current) to DC (Direct Current)
b) To convert DC (Direct Current) to AC (Alternating Current)
c) To amplify electrical signals
d) To store electrical energy
Answer: a) To convert AC (Alternating Current) to DC (Direct Current)
Which property of a semiconductor determines the speed at which it can switch between conducting and non-conducting states?
a) Mobility
b) Saturation
c) Switching speed
d) Bandwidth
Answer: c) Switching speed
Which semiconductor device is commonly used as a voltage regulator?
a) Zener diode
b) Varactor diode
c) Schottky diode
d) Tunnel diode
Answer: a) Zener diode
What is the phenomenon in which a semiconductor device loses its ability to function due to excessive heat?
a) Thermal breakdown
b) Avalanche breakdown
c) Zener breakdown
d) Reverse recovery
Answer: a) Thermal breakdown
Which semiconductor device is commonly used as a light-emitting component?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
Answer: b) Diode
Which type of diode is commonly used in voltage clamping and protection circuits?
a) Zener diode
b) Varactor diode
c) Schottky diode
d) Tunnel diode
Answer: a) Zener diode
What is the phenomenon in which a voltage across a diode causes a current to flow in the reverse direction?
a) Avalanche breakdown
b) Zener breakdown
c) Reverse recovery
d) Forward biasing
Answer: a) Avalanche breakdown
Which semiconductor device is commonly used as a switch in digital circuits?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
Answer: a) Transistor
Which type of transistor has a gate electrode made of metal?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: c) JFET (Junction Field-Effect Transistor)
Which type of transistor is commonly used in power electronic applications?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: d) IGBT (Insulated Gate Bipolar Transistor)
What is the purpose of a capacitor in a semiconductor circuit?
a) To store electrical energy
b) To convert AC (Alternating Current) to DC (Direct Current)
c) To amplify electrical signals
d) To regulate voltage
Answer: a) To store electrical energy
Which property of a semiconductor determines the ease with which it can conduct electric current?
a) Conductivity
b) Resistivity
c) Mobility
d) Saturation
Answer: c) Mobility
What is the process of adding impurities to a semiconductor to create regions of different conductivity called?
a) Diffusion
b) Doping
c) Polishing
d) Annealing
Answer: b) Doping
Which type of doping introduces impurities with three valence electrons into a semiconductor?
a) N-type
b) P-type
c) Intrinsic
d) Extrinsic
Answer: b) P-type
What is the majority charge carrier in an N-type semiconductor?
a) Electrons
b) Holes
c) Protons
d) Neutrons
Answer: a) Electrons
What is the majority charge carrier in a P-type semiconductor?
a) Electrons
b) Holes
c) Protons
d) Neutrons
Answer: b) Holes
What is the process of combining an N-type and P-type semiconductor to create a diode called?
a) Diffusion
b) Doping
c) Rectification
d) Junction
Answer: d) Junction
The forward biasing of a diode:
a) Decreases the barrier potential
b) Increases the barrier potential
c) Reverses the direction of current flow
d) Has no effect on the barrier potential
Answer: a) Decreases the barrier potential
The reverse biasing of a diode:
a) Increases the barrier potential
b) Decreases the barrier potential
c) Reverses the direction of current flow
d) Has no effect on the barrier potential
Answer: b) Decreases the barrier potential
What is the phenomenon in which a voltage across a diode causes a current to flow in the reverse direction?
a) Avalanche breakdown
b) Zener breakdown
c) Reverse recovery
d) Forward biasing
Answer: b) Zener breakdown
What is the process of using light to create electron-hole pairs in a semiconductor called?
a) Diffusion
b) Generation
c) Recombination
d) Photoexcitation
Answer: d) Photoexcitation
What is the phenomenon in which a voltage across a semiconductor device causes a current to flow called?
a) Capacitance
b) Inductance
c) Resistance
d) Conductance
Answer: c) Resistance
Which property of a semiconductor determines its resistance to the flow of electric current?
a) Conductivity
b) Resistivity
c) Mobility
d) Saturation
Answer: b) Resistivity
Which semiconductor device is commonly used as a light-emitting component?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
Answer: b) Diode
What is the process of converting light energy into electrical energy called?
a) Photovoltaic effect
b) Photoelectric effect
c) Electromagnetic induction
d) Thermoelectric effect
Answer: a) Photovoltaic effect
Which device is used to amplify electrical signals in semiconductor circuits?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
Answer: a) Transistor
Which type of transistor has a gate electrode made of metal?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: c) JFET (Junction Field-Effect Transistor)
Which type of transistor is commonly used in power electronic applications?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: d) IGBT (Insulated Gate Bipolar Transistor)
What is the purpose of a capacitor in a semiconductor circuit?
a) To store electrical energy
b) To convert AC (Alternating Current) to DC (Direct Current)
c) To amplify electrical signals
d) To regulate voltage
Answer: a) To store electrical energy
Which type of diode is commonly used in voltage clamping and protection circuits?
a) Zener diode
b) Varactor diode
c) Schottky diode
d) Tunnel diode
Answer: a) Zener diode
What is the purpose of a transistor in a semiconductor circuit?
a) To amplify electrical signals
b) To convert AC (Alternating Current) to DC (Direct Current)
c) To store electrical energy
d) To regulate voltage
Answer: a) To amplify electrical signals
Which semiconductor device is commonly used as a voltage regulator?
a) Zener diode
b) Varactor diode
c) Schottky diode
d) Tunnel diode
Answer: a) Zener diode
Which type of transistor has three layers of semiconductor material?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: a) BJT (Bipolar Junction Transistor)
Which type of transistor has a metal-oxide-semiconductor structure?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
What is the purpose of a diode in a rectifier circuit?
a) To convert AC (Alternating Current) to DC (Direct Current)
b) To convert DC (Direct Current) to AC (Alternating Current)
c) To amplify electrical signals
d) To store electrical energy
Answer: a) To convert AC (Alternating Current) to DC (Direct Current)
What is the phenomenon in which a voltage across a semiconductor device causes a current to flow called?
a) Capacitance
b) Inductance
c) Resistance
d) Conductance
Answer: c) Resistance
Which property of a semiconductor determines its resistance to the flow of electric current?
a) Conductivity
b) Resistivity
c) Mobility
d) Saturation
Answer: b) Resistivity
Which semiconductor device is commonly used as a light-emitting component?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
Answer: b) Diode
What is the process of converting light energy into electrical energy called?
a) Photovoltaic effect
b) Photoelectric effect
c) Electromagnetic induction
d) Thermoelectric effect
Answer: a) Photovoltaic effect
Which device is used to amplify electrical signals in semiconductor circuits?
a) Transistor
b) Diode
c) Resistor
d) Capacitor
Answer: a) Transistor
Which type of transistor has a gate electrode made of metal?
a) BJT (Bipolar Junction Transistor)
b) MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor)
c) JFET (Junction Field-Effect Transistor)
d) IGBT (Insulated Gate Bipolar Transistor)
Answer: c) JFET (Junction Field-Effect Transistor)
