Energy gap is overlapped between Valence band and Conduction band in Superconductors O Semiconductors O Insulators Conductors

Q: A p-type semiconductor is where: electrons are the charge carriers in n-type semiconductors. O holes…

A:

Q: The emitter-base junction in a transistor has... A. Forward bias at all times B. Reverse bias at all…

A: A transistor is a three-terminal device. It has two junctions. Three terminals are Emitter, Base,…

Q: how does the band structure of a solid makes it an insulator, semiconductor or conductor?

A: Explanation: Conductor: The conductor is a material that contains free movable charges which conduct…

Q: Conductivity of a semiconductor can be controlled by

A:

Q: The number of electrons is ... the acceptors concentration in P-type semiconductors. O greater than…

A: P-type semiconductors : I formed by doping the semiconductor material by group 13 elements. Thus ,…

Q: Can we take one slab of p-type semiconductor and physically join it to another n-type semiconductor…

A:

Q: What are the essential characterstic of a semiconductor?

A: Semiconductor is a material which has it conductivity between an insulator and a conductor, which is…

Q: The larger the band gap, the lower the electrical conductivity at lower temperature. TRUE FALSE

A: The bandgap is one of the major factors which determines the electrical conductivity of the…

Q: The conduction bands are full due to covalent bonds and the valance bands are empty in the…

A: The type of energy band formed after interaction of bonding orbitals are called valance band, and…

Q: How many free electrons does a p-type semiconductor contain

A: A p-type semiconductor contains a large number of holes and it is formed by the addition of…

Q: In semiconductors, the conductivity 2 poin is mainly proportional to a function of temperature:…

A: The electrical conductivity of any substance be it a conductor, an insulator or semiconductor…

Q: Why the conductivity of a pure semiconductor increases with temperature?

A:

Q: In a light-emitting diode (LED), which is used in displays on electronic equipment, watches, and…

A: The energy of the light emitted is same as the energy of the band gap

Q: 2) In an intrinsic semiconductor: O There are only holes. There are no free electrons. The free…

A: In intrinsic semiconductor, the external thermal energy provided will break the covalent bond in the…

Q: The difference in the variation of resistance with temeperature in a metal and a semiconductor…

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Q: Two basic transport mechanisms in a semiconductor crystal are:

A: Two kinds: 1. Diffusion current: Difference in concentration of charge carriers (concentration…

Q: Explain why at high temperature, an extrinsic semiconductor behaves like an intrinsic semiconductor.

A: A small amount of a suitable impurity is added to the pure semiconductor; the conductivity of the…

Q: Silicon and germanium are examples of a. semiconductors b. insulators c. good conductors d.…

A: Silicon is a semiconductor

Q: If p-n junction is heavily doped, breakdown voltage will a) increase b) decrease c) remain same d)…

A: In p-n junction, when the doping concentration increases the depletion region length decreases. And…

Q: When p-n junction diode is forward biased then Both the depletion region and barrier height are…

A: (A) both the depletion region and barrier height are reduced Because more recombination of electron…

Q: How does the bandgap differ in metals, semiconductors, and insulators?

A: The bandgap is the difference between the energies of the conduction band and valance band. The…

Q: if the energy gap is between( 1.2 1 p and 5) eV this is a semiconductor: conductor: insulator

A: Given: The energy gap is between (1.2eV and 5eV)

Q: Give important properties of semiconductor.

A: The important properties of semiconductor are as follows;

Q: There is no current generated in the valance band of semiconductors : O true false

A: It is false since at high temperature valance electrons moves and produce aome current

Q: the intrinsic semiconductor conduct current well : O false true

A: To explain : Do intrinsic semi conductors conduct well ?

Q: Why electric conductivity of intrinsic semiconductor is very bad?

A: Intrinsic semiconductor: Any semiconductor is in its pure form is known as the intrinsic…

Q: 30. The Fermi energy is a constant throughout a semiconductor that is in....... O a. P-type. O b.…

A: here we have to determine the correct option for semiconductor.

Q: The semiconductors that when the distance between the impurity atoms decrease, and interact with…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The recombination rate of excess charge carrier in n-type semiconductor is function of a) majority…

A: Recombination is the mechanism that is utilized by extrinsic semiconductors to equilibrate excess…

Q: The potential barrier in a semiconductor is because of O a triple charge layer o a double charge…

A: The required potential difference to electron to flow through electric field is known as potential…

Q: When a silicon material is doped with Arsenic (As) that has 5 valance electrons, the impurity is…

A: When a small amount of pentavalent  impurity that have 5 valence electron like Arsenic is added to a…

Q: Which of the state is correct under normal condition of a semiconductor Neither valence band or…

A: The suitable answer is "Conduction band is empty"

Q: Differentiate between conductors, semiconductors and insulators on the basis of band theory.

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Q: An N-type semiconductor is a semiconductor doped with O trivalent impurity. O pentavalent impurity.…

A: N type semiconductor material doped with pentavalent impurity.

Q: What will be the effect on the electrical mechanism when the semiconductor contains equal number of…

A: Donor impurities are added when a pentavalent atom is doped with semiconductor. Acceptor impurities…

Q: Strontium crystal has a mass density of 2.64 g/cm' and a molar mass of 87.62 g/mol   Calculate…

A: Given that the mass density of strontium crystal and molar mass of strontium crystal.Then We have to…

Q: (2) luhäi To decrease the resistivity of a -3 * :semiconductor, we can Increase the carrier density…

A:

Q: A crystal diode has O one pn junction O two pn junction O three pn junction O none of the above O…

A: Point contact diodes are another name for crystal diodes. This semiconductor device, also known as a…

Q: What is the effect of temperature on breakdown voltage in a p-n junction?

A: A p-n junction is a single crystal formed by joining two separate pieces. For example consider a…

Q: Which of the following is correct related to semiconductor? O a. A semiconductor has generally three…

A: When the temperature of a semiconductor is increased the covalent bonds break and set some electrons…

Q: Compared to an insulator, the energy gap of a semiconductor is: A. full of holes B. about the same…

A: The difference of energy between the bottom of the conduction band and the top of the valence band…

Q: When a p-n junction is reverse biased, a) potential barrier decreases b) potential barrier increases…

A: In reverse bias of a p-n junction, the potential difference increases the strength of the barrier…

Q: At room temperature, the energy gap in the semiconductors is the energy gap in the conductors.

A: Dear student The energy gap is the difference of energy between Valance band and Conduction band.