Electronics & Semiconductors Quiz

What is the charge of a hole in coulombs?

What is the relationship between the wavelength of an electron and its velocity, according to the given formula?

Which of the following is NOT a correct application category of electronics based on the provided text?

What is the value of Planck's constant (h) in joule-seconds?

What is the electronic configuration of Silicon?

Which of the following statements about the electronic energy levels in atoms is true based on the information provided?

What is the definition of an electron volt (eV)?

What is the relationship between an electron and a hole in a semiconductor?

What type of impurity is added to a pure semiconductor to create a donor-type impurity?

What is the primary effect of adding an acceptor-type impurity to a pure semiconductor?

Which of the following is NOT a characteristic of a covalent bond in a pure semiconductor?

What is the typical energy required (in electron volts) to break a covalent bond in silicon?

Which of the following statements regarding the electrical conductivity of pure semiconductors is TRUE?

What is the primary difference between a donor-type impurity and an acceptor-type impurity?

Why is the covalent bond structure in a pure semiconductor extremely stable?

How does the addition of impurities affect the electrical conductivity of a semiconductor?

What happens to the concentration of holes in a pure semiconductor after the addition of n-type impurities?

In a p-type semiconductor, what type of charge carriers are the majority carriers?

What does the symbol "ni" represent in the equation "np = ni^2"?

Which of the following elements is an example of an acceptor impurity?

What is the significance of the mass action law in semiconductor physics?

In a pure semiconductor, what is the relationship between the concentration of electrons (n) and the concentration of holes (p)?

What is the primary reason for adding impurities to pure semiconductors?

What is a hole in the context of a semiconductor, and what charge does it carry?

What is the conductivity of a semiconductor that has a hole mobility of 100 cm²/V-s and an electron mobility of 500 cm²/V-s at 300K? The density of electrons is 10^15 cm^-3 and the density of holes is 2 x 10^10 cm^-3.

Consider a semiconductor with a density of donor atoms (Nd) of 10^16 cm^-3. What is the charge density of this semiconductor?

If the conductivity of an n-type semiconductor is 2.4 x 10^-3 (ohm/cm)^-1, and the electron mobility is 1300 cm²/V-s, what is the density of donor atoms (Nd) in the semiconductor?

What is the conductivity of an intrinsic semiconductor with an electron density of 1.5 x 10^10 cm^-3 and a hole density of 1.5 x 10^10 cm^-3? The electron mobility is 1300 cm²/V-s and the hole mobility is 500 cm²/V-s.

What is the relationship between the electron density and the conductivity of an n-type semiconductor?

Which of the following is NOT a factor that affects the conductivity of a semiconductor?

What is the intrinsic carrier concentration (ni) of a semiconductor where the density of electrons is equal to the density of holes?

What is the charge density if the concentration of p-type impurity is 5 x 10^15 cm^-3?

What is the primary reason for the difference in energy levels between free atoms and those in a crystal?

What is the defining characteristic of an insulator in terms of its energy band structure?

How does the energy band structure of a semiconductor differ from that of an insulator?

What causes the conductivity of a metal to be excellent?

At low temperatures, why does pure Germanium behave as an insulator?

What does the term "hole" refer to in the context of a semiconductor?

What effect does adding a pentavalent impurity to a pure semiconductor like Germanium have on its energy band structure?

What is the primary reason why the energy level introduced by a pentavalent impurity in a semiconductor is close to the conduction band?