Distinguish between P-type and N-type semiconductor. 

1 Answer

Answer :

N- type Semiconductor
P- type Semiconductor
When small amount of pentavalent impurity is added to a pure semiconductor is called N-type semiconductor
When small amount of trivalent impurity is added to a pure semiconductor is called P-type semiconductor
Impurity is used for doping is arsenic, antimony, phosphorus
Impurity is used for doping is gallium, indium, boron, aluminium
It is called donor impurity
It is called acceptor impurity 
There are excess of electrons
There are shortage of electrons
The electrons are majority carriers
The holes are majority carriers


Related questions

Description : State the impurities for obtaining p-type and n-type semiconductor from intrinsic semi conductor. 

Last Answer : Crystals of Silicon and Germanium are doped using two types of dopants:  1. The impurities for obtaining n-type semiconductor from intrinsic semiconductor are pentavalent impurity; like Arsenic (As), Antimony ... semiconductor are trivalent impurity; like Indium (In), Boron (B), Aluminum (Al), etc.

Description : Classify each of the following as being either a p-type or an n-type Semiconductor.

Last Answer : (a) Ge dopped with In----p-type. (b) B dopped with Si----n-type.

Description : A semiconductor formed by addition of trivalent impurity is : a) P–Type b) N–Type c) Q–type d) M–Type

Last Answer : d) M–Type

Description : Hall effect may be used for which of the following? (A) determining whether the semiconductor is p or n type. (B) determining the carrier concentration. (C) calculating the mobility. (D) All the above.

Last Answer : (D) All the above. Ans: D Determining whether the semiconductor is p or n type, determining the carrier concentration, calculating the mobility

Description : Which of the following properties distinguish a material as conductor, insulator and semiconductor? a) Free electron charges b) Fermi level after doping c) Energy band gap d) Electron density

Last Answer : c) Energy band gap

Description : NMOS stands for: a. N-channel metal-oxide-semiconductor b. P-channel metal-oxide-semiconductor c. N-channel memory-oxide-semiconductor d. All the above

Last Answer : a. N-channel metal-oxide-semiconductor

Description : In a semiconductor diode, p-side is earthed and to n-side is applied a potential of -2 volt; the diode shall (a) Conduct (b) Not conduct (c) Conduct partially (d) Break down

Last Answer : a) Conduct

Description : A semiconductor device made up of a single p-n Junction is called a: w) transistor x) diode y) Fet z) integrated circuit

Last Answer : ANSWER: X -- DIODE

Description : Explain the p-type semiconductor.  

Last Answer : 1) Trivalent impurity is added to a pure semiconductor it is called P-type semiconductor. 2) Some trivalent impurities are gallium , indium ,boron, aluminium etc. These impurities provide large ... )So they are called as majority carriers and electrons are called minority charge carriers.

Description : Majority carriers in n type semiconductor are_______. A. Electrons B. Holes C. Both D. None

Last Answer : Majority carriers in n type semiconductor are Electrons.

Description : In a p-type semiconductor, Which are the majority charge carriers? -Do You Know?

Last Answer : answer:

Description : Explain the formation of a p-type semiconductor.

Last Answer : When a small amount of a trivalent impurity like Boron, Indium, Aluminium or Gallium is added to a tetra valant element like Silicon or Germanium, three electrons of each impurity atoms ... and becomes n-type semiconductor. In an ntype semiconductor the majority charge carriers are holes.

Description : What are the majority carriers in a P-type semiconductor?

Last Answer : Holes.

Description : In a P-type semiconductor the charge carriers are a) Electrons b) Holes c) Protons d) Neutrons

Last Answer : b) Holes

Description : When a semiconductor is doped with a P-type impurity, each impurity atom will (A) acquire negative charge. (B) acquire positive charge. (C) remain electrically neutral. (D) give away one electron.

Last Answer : (A) acquire negative charge.

Description : In p-type semiconductor the majority carriers are (A) holes. (B) electrons. (C) positive ions. (D) negative ions.

Last Answer : (A) holes.

Description : A P-type semiconductor is doped to produce one of the following. Will it produce: w) both holes and electrons x) positive electrons y) negative electrons z) holes

Last Answer : ANSWER: Z -- HOLES

Description : Impurity atoms to be added to pure silicon in order to make a p-type semiconductor belongs to (a) Phosphorous (b) Boron (c) Antimony (d) Aluminium 

Last Answer : Boron  , a  group  three  element.

Last Answer : In a P type semiconductor At room temperature the hole concentration equals the acceptor concentration

Description : What is n- type semiconductor ?

Last Answer : When a semiconductor substance is mixed with a five-component element as an adulterant or a waste, the negative charge carrier electron in them acts as the maximum charge carrier. Such semiconductors are called n- type semiconductors.

Description : Explain the formation of an n-type semiconductor.

Last Answer : When a small amount of a penta valant impurity like antimony, arsenic or phosphorous is added to a tetra valant element like Silicon or Germanium, four out of five electrons of each impurity ... becomes an n-type semiconductor. In an n-type semiconductor the majority charge carriers are electrons.

Description : What type of PN diode is formed by using a fine metal wire and a section of N-type semiconductor material?

Last Answer : Point-contact.

Description : What are the majority carriers in an N-type semiconductor?

Last Answer : Electrons.

Description : In the N-type semiconductor the charge carries are a) Holes b) Neutrons c) Protons d) Electrons

Last Answer : d) Electrons

Description : n-type semiconductor is an example of (A) extrinsic semiconductor. (B) intrinsic semiconductor. (C) super conductor. (D) insulators..

Last Answer : (A) extrinsic semiconductor.

Description : In an n-type semiconductor, as the donor concentration ND increases, the Fermi level EF: (1) Remains unaltered (2) Moves towards the conduction band (3) Move towards the center of forbidden energy gap (4) May or may not move depending on temperature 

Last Answer : In an n-type semiconductor, as the donor concentration ND increases, the Fermi level EF: Moves towards the conduction band

Description : The material used for ‘doping’ to prepare N - type semiconductor is

Last Answer : The material used for ‘doping’ to prepare N - type semiconductor is Arsenic

Description : n-type semiconductor can be made by adding ____ to intrinsic semiconductor (A) Boron (B) Arsenic (C) Carbon (D) Germanium

Last Answer : n-type semiconductor can be made by adding Arsenic to intrinsic semiconductor

Last Answer : An n-type semiconductor is Electrically neutral.

Description : PMOS stands for: a. P-channel metal-oxide-semiconductor b. P-channel memory –oxide-semiconductor c. Both A and B d. None of these

Last Answer : a. P-channel metal-oxide-semiconductor

Description : What does the letter "N" indicate in the semiconductor identification system?

Last Answer : A semiconductor.

Description : Distinguish between tag and tag with the help of an example. -Technology

Last Answer : Distinguishing between tag and tag are as follows: tag tagIt is a container element.It is an empty element.It is used to define a paragraph ofthe text on the Web page.It is used to insert line break.It ... no attribute.e.g. This ts a paragraph.e.g.This is a 1 line break into the Web document.

Description : Write the purpose of HTML. Distinguish between tag and tag. -Technology

Last Answer : HTML is used to represent page, data on website with proper manner and attractive look to get maximum users.Difference between tag and tagtag is a block level element, and is mainly used to add content, whereas the tag is used to force a line break within the element.

Description : Which of the following can distinguish? `CH_(3)-overset(CH_(3))overset(|)(CH)-NH_(2)` and `CH_(3)-overset(H)overset(|)(N)-CH_(3)`

Last Answer : Which of the following can distinguish? `CH_(3)-overset(CH_(3))overset(|)(CH)-NH_(2)` and `CH_(3)-overset(H ... `Cs_(2),HgCI_(2)` D. `Ag_(2)O //Delta`

Description : (i) Explain the process of diffusion in semiconductor material. (ii) Explain Hall effect.

Last Answer : (i) Diffusion: In a semi conductor bar a concentration gradient exist when either number of electrons or holes is greater in one region of a semi conductor as compared to other region. When ... to determine whether a semiconductor is N type or P type, and to find carrier concentration

Description : State any four materials used in fabrication of semiconductor device and describe its need.

Last Answer : For fabrication of semiconductor devices like transistors diode, solar cell etc. we have to make use of following types of materials  1. Substrate: o It is used for deposition of thin ... . o Metal cans and sealed glass containers satisfy the extreme requirements of space and military users.

Description : Which is a semiconductor: copper, silicon, or neon?

Last Answer : Copper is a metal. Silicon is a semiconductor. Neon is inert gas.

Description : Compare intrinsic and extrinsic semiconductor

Last Answer : Intrinsic semiconductor Extrinsic Semiconductor Pure form of semiconductor Impure form of semiconductor No. electrons and holes are equal  No. of electrons and holes are not equal Electrical ... e.g. Ge, Si semiconductor e.g. p-type or n-type semiconductor

Description : Why is an intrinsic semiconductor doped?

Last Answer : Intrinsic semiconductor is doped in order to increase conductivity of semiconductor. Doping increases majority charge carries either electrons or holes and majority charge carriers responsible for electric current. 

Description : Define : (i)Conductor (ii)Semiconductor

Last Answer : Conductor: It contains large no. of free electrons at room temperature. the valence band and conduction band overlap with each other.  Semiconductor: A substance for which the forbidden energy gap is relatively small than insulator i.e in order of 1 eV.

Description : Define (i) Intrinsic semiconductor (ii)Fermi energy level  

Last Answer : (i) Intrinsic semiconductor: The semiconductor in extremely pure form is called as intrinsic semiconductor.  (ii) Fermi energy level : The energy difference between conduction band and valence band is called as fermi energy level.

Description : Define the term-Dopant, Extrinsic semiconductor. 

Last Answer : Dopant: - An element or compound used to dope a semiconductor is called dopant.  Extrinsic Semiconductor:- In order to increase current carrying capacity some impurity are added in a semiconductor such semiconductor are called extrinsic Semiconductor. 

Description : The electrical conductivity of a semiconductor increases with increase in temperature because (a) the carrier concentration increases (b) the mobility of carrier increases (c) both carrier concentration and mobility increase (d) the band gap decreases

Last Answer : The electrical conductivity of a semiconductor increases with increase in temperature because the carrier concentration increases

Description : A semiconductor device made out of a material having very high temperature coefficient of resistance is

Last Answer : A semiconductor device made out of a material having very high temperature coefficient of resistance is Thermistor

Description : Dry etching refers to removal of material, typically a masked pattern of semiconductor material, by exposing material to a bombardment of ions which contain (a) Plasma of nitrogen, chlorine and ... of nitrogen, phosphorous and boron trichloride (d) Plasma of nitrogen, chlorine and boron trioxide

Last Answer : Plasma of nitrogen, chlorine and boron trichloride. Other gases include argon and helium.

Description : What are the number of valence electrons of atoms in semiconductor?

Last Answer : There are four valence electrons in the atom of a semiconductor.

Last Answer : The semiconductor of purest form are called intrinsic semiconductor, (eg. Silicon and germinium) where as semiconductor made up by doping of other semiconductor called extrinsic semiconductor.(again extrinsic semiconductor classified as N type n P type semiconductor) 

Description : what is the temperature coefficient of Resistance of semiconductor ?

Last Answer : semiconductors have negative temperature coefficient of resistance. means as the temperature increases resistance decreases.

Description : what is semiconductor ?

Last Answer : For simple understanding is that the semiconductor is a partially conductor and partially insulator which depends on the temperature of conductor.

Description : Distinguish between fire tube and water tube boilers in steam power plant.

Last Answer : Fire Tube boiler Water Tube boiler In fire tube boilers hot gases are passed through the tubes and water surrounds these tubes. In these boilers water is inside the tubes and hot gases are ... risk of explosion due to low pressure. Risk of explosion is more due to high pressure.