Semiconductor and Diode Self Learning Activity 1

What is the primary characteristic of a semiconductor?

• High conductivity

• Low resistance to current flow

• Moderate conductivity that is controllable

• Very low conductivity

Which of the following is NOT a common semiconductor material?

• Gallium Arsenide (GaAs)

• Germanium (Ge)

• Copper (Cu)

• Silicon (Si)

In a P-type semiconductor, which carrier is the majority?

• Produas

• Neutrons

• Holes

• Electrons

What happens to the depletion region in a forward-biased PN junction?

• It increases

• It disappears completely

• It decreases

• It remains the same

What is the primary function of a diode?

• To generate electricity

• To amplify signals

• To rectify current

• To store energy

What is the effect of temperature on the energy gap of a semiconductor?

• It increases with temperature

• It decreases with temperature increase

• It remains constant

• It becomes infinite

What is the term for the process of adding impurities to a semiconductor?

• Doping

• Doping out

• Rectifying

• Conducting

What is the built-in potential in a PN junction?

• The current flowing through the junction

• The energy required to break bonds

• The potential difference across the junction

• The voltage drop in reverse bias

Which of the following describes the current-voltage relationship of a diode?

• Non-linear

• Constant

• Proportional

• Linear

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

• Protons

• Neutrons

• Electrons

• Holes