The electrons in the conduction band are known as?

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: When  a forward  biased a diode is

A: When a forward biased diode  In forward biasing, the anode of the diode is connected to the…

Q: What are Intrinsic Semiconductors?

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

Q: For p-type semiconductors, holes are predominant charge carriers. TRUE FALSE

A:

Q: The energy gap for silicon at 300 K is 1.14 eV. (a) Find the lowest-frequency photon that can…

A:

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

A:

Q: B/ what are effects impurity atom is added to intrinsic semi-conductor on energy gap.

A:

Q: How does the resistance of: i) a semiconductor ii) an alloy vary with temperature?

A: i) The resistance of semiconductor decreases with increase in the temperature. The resistance is…

Q: The reverse current in a diode is of the order of ..

A: the reverse current in  diode is of the order of  μA  ( micro ampere)

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: How is the electric field across the pn junction created?

A: SEMICONDUCTOR

Q: Consider four of semiconductor samples: solid A is orange, solid B is black, solid C is white, and…

A: Given:- Consider four of semiconductor samples: solid A is orange, solid B is black, solid C is…

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

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

Q: Write a conclusion about PN Junction

A: A PN junction is an interface between two material types p and n in a semiconductor. The p-side is…

Q: (Answer by true or false) In N-type the Fermi level rises to conduction band

A: In N-type the Fermi level rises to conduction band

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: The reverse current in a diode is of the order of ΚΑ mA O A μA

A: The reverse current in a diode is of very small magnitude . It is of the order of micro ampere  When…

Q: What is the critical temperature for a superconductor?

A: The conductors are the material which can flow the electric current easily through them.

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: One that is based on forward biased PN junction is A LED B photo diode C photo voltaic cell D both a…

A: Hi. Since you have posted multiple questions and not specified which questions you want us to solve,…

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: What is an intrinsic semiconductor?

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

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: In a junction diode,

A: Diffusion is the phenomenon of movement of particles from region of high concentration to low…

Q: What is the number of depletion layer in a transistor?​

A: A transistor is an electronic component used either to amplify or to transfer electrical signals or…

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 width of depletion layer increases when a PN junction in forward biased.

A: In forward biasing the applied voltage oppose the potential barrier.

Q: What is depletion region in PN diode?

A: The region of positive charge and negative charge on either side of the junction is termed as the…

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: Question 14.11: A p-n photodiode is fabricated from a semiconductor with band gap of 2.8 ev. Can it…

A: Given value--- energy band gap = 2.8 eV . wavelength = 6000 nm . We have to find--- can it detect…

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.

Q: Assume that a GaAs semiconductor has a lattice constant a=7.5 Å, and the atoms of Ga and As are hard…

A: Lattice constant for GaAs semiconductor (a) = 7.5 Ao