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

Q: Sample of Ge of volume (=1 cm³) contains about, 3 x1014 free electrons, and 3x1013 holes, doping…

A: For an intrinsic semiconductor, ni=n=p where ni is the intrinsic carrier concentration, n and p are…

Q: Discuss the electrical behavior of conductors, insulators and semiconductors in terms of energy band…

A: Energy band theory: Mainly, this theory gives by Bohr's "according to energy band theory each and…

Q: Explain p-type semiconductors.

A: An extrinsic semiconductor is a semiconductor one that as been doped by specific impurity. There are…

Q: An unknown semiconductor has a band gap, Eg =1.1 eV and NC = NV where NC and NV are effective…

A: The data given in the question is as follows: 1. Band gap, Eg=1.1 eV  2. NC=NV 3. Donor level,…

Q: are made of Au with a work function of 5.1 eV. The electron affinity, Fermi energy and band gap for…

A: Solution: a. Under positive gate voltage.

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: What are Intrinsic Semiconductors?

A: An intrinsic semiconductor is a pure semiconductor, or in other words an undoped semiconductor.

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

A:

Q: Explain how p and n type of semiconductors are formed.

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: Si and Ge have same lattice structure. Why is C insulator while Si and Ge intrinsic semiconductors?

A: The valence electron of three given elements are four but the energy gap value are different.

Q: Explain the Principle and Physics behind a Semiconductor p-n junction generator rectification…

A: Principle A p-n junction diode is a two terminal device which allows the electric current in only…

Q: Explain n-type semiconductor.

A:

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

A:

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: How is p-type semiconductor different from n-type?

A: When a five-composite atom of pure silicon crystal is inserted as an adulterant, then the four…

Q: The longest wavelength of radiation absorbed by a certain semiconductor is 0.512 μm. Calculate the…

A:

Q: For a certain semiconductor, the Fermi energy is in the middle of its band gap. If the temperature…

A: Probability that a state at the bottom of the conduction band is occupied is,…

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: Explain the need of doping a pure semiconductor.

A: Doping is a process of adding unwanted impurities into a semiconductor device. Doping is done to…

Q: Explain the effect of adding a) donor impurity b) acceptor impurity, on a semiconductor

A: In semiconductors the gap between the valence band and conduction band is in between that of…

Q: Schematically illustrate the energy band diagrams of insulator, conductor, and semiconductor…

A:

Q: Give important properties of semiconductor.

A: The important properties of semiconductor are as follows;

Q: What is an intrinsic semiconductor?

A: The materials who are neither a conductor nor an insulator are semiconductors like Germanium,…

Q: Distinguish between an intrinsic semiconductor and p-type semiconductor. Give reason, why, a p-type…

A: Intrinsic semiconductor : Intrinsic semiconductors are the pure form of semiconductors. Electrons…

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

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

Q: The depletion region in semiconductors is depleted from

A: to find . by which depletion region in semiconductor is depleted

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: Explain Optical absorption in semiconductors?

A: The phenomenon by which the semiconductors possesses tendency to absorb light rays is known as…

Q: O 3/ A / A doped semiconductor has 10 billion silicon atoms and 15 million pentavlent atoms. If the…

A: Semiconductors are materials whose conductivity falls in between conductors and insulators. Charge…

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

A:

Q: Sample of Ge of volume (=1 cm³) contains aboutį 3 x1014 free electrons, and 3x1013 holes, doping…

A: At equilibrium  nhne = ni2  nh = ni2/ne = (3×1014)2/(1019)  nh = 9×109

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: Distinguish between an intrinsic and extrinsic semiconductor.

A: Intrinsic semiconductor are pure and natural semiconductors for example Ge and Si. The…

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: An N-type semiconductor is a semiconductor doped with

A:

Q: How does a semiconductor vary from a conductor and an insulator, and what does it do? In your…

A: Those substances which have conductivity between conductors and insulators. Such as germanium,…

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: are and contrast the temperature dependence of the electrical conductivities of a intrinsic (e.g.,…

A: A semiconductor is a material whose electrical conductivity falls between that of a conductor and an…

Q: Discuss the forward and reverse biasing characteristics of PN Junction diode.

A: SOlution: To brief the characterstics of the forwards and reverse PN jnuction diode.

Q: Difference between intrinsic and extrinsic semiconductors?

A: Intrinsic Semiconductor is a pure form of the semiconductor as there is no addition of impurity…