What is meant by intrinsic semiconductor?

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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) 

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Related questions

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

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.

Compare intrinsic and extrinsic semiconductor

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

Why is an intrinsic semiconductor doped?

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. 

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

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.

What is the effect of temperature on an intrinsic semiconductor?

Description : What is the effect of temperature on an intrinsic semiconductor?

Last Answer : An intrinsic semiconductor is basically a pure semiconductor, though some might argue that a small amount of doping can still yield an intrinsic semiconductor. In the crystal structure of ... semiconductor has a positive temperature coefficient. More heat, more conduction under the same conditions.

When Arsenic atoms are added Germanium lattice, it becomes a/an - (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

Description : When Arsenic atoms are added Germanium lattice, it becomes a/an - (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

Last Answer : (4) Extrinsic semiconductor Explanation: When a peritavalent (donor) impurity, like arsenic, is added to germanium, it will form covalent bonds with thegermanium atoms, leaving 1 electron relatively ... this manner - either with Nor P-type impurities - are referred to as EXTRINSIC semiconductors.

Which of the listed conditions describes the effect on intrinsic semiconductor operation as a result of a temperature increase? A. Additional heat sinks will be required B. Conductivity will increase C. Conductivity will decrease D. Resistivity will increase

Description : Which of the listed conditions describes the effect on intrinsic semiconductor operation as a result of a temperature increase? A. Additional heat sinks will be required B. Conductivity will increase C. Conductivity will decrease D. Resistivity will increase

Last Answer : Answer: B

Differentiate between intrinsic and extrinsic semiconductor

Description : Differentiate between intrinsic and extrinsic semiconductor

Last Answer : Pure form of semiconductors are said to be intrinsic semiconductor. Ex: germanium, silicon. It has poor conductivity If certain amount of impurity atom is added to intrinsic semiconductor the resulting semiconductor is Extrinsic or impure Semiconductor It has good conductivity.

It is the made from semiconductor material such as aluminum-galium-arsenide or gallium-arsenide-phosphide. A. APD B. Injection laser diode C. Light emitting diode D. Positive-intrinsic-negative

Description : It is the made from semiconductor material such as aluminum-galium-arsenide or gallium-arsenide-phosphide. A. APD B. Injection laser diode C. Light emitting diode D. Positive-intrinsic-negative

Last Answer : C. Light emitting diode

What is an intrinsic semiconductor or pure semiconductor?

Description : What is an intrinsic semiconductor or pure semiconductor?

Last Answer : A semiconductor in which the number of holes and electrons are equal is called intrinsic orpure semiconductor.

A doped semiconductor is called : a) Extrinsic b) Intrinsic c) Insulator d) Conductor

Description : A doped semiconductor is called : a) Extrinsic b) Intrinsic c) Insulator d) Conductor

Last Answer : b) Intrinsic

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

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

Last Answer : (A) extrinsic semiconductor.

C and Si both have same lattice structure, having 4 bonding electrons in each. However, C is insulator where as Si is intrinsic semiconductor. This is because (1) The four bonding electrons in the case of C lie in the third orbit, whereas for Si they lie in the fourth orbit (2) In case of C the valance band is not completely filled at absolute zero temperature (3) In case of C the conduction band is partly filled even at absolute zero temperature (4) The four bonding electrons in the case of C lie in the second orbit, whereas in the case of Si they lie in the third

Description : C and Si both have same lattice structure, having 4 bonding electrons in each. However, C is insulator where as Si is intrinsic semiconductor. This is because (1) The four bonding electrons in the case of C ... the case of C lie in the second orbit, whereas in the case of Si they lie in the third

Last Answer : (4) The four bonding electrons in the case of C lie in the second orbit, whereas in the case of Si they lie in the third

When Arsenic atoms are added to Germanium lattice, it becomes a/an (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

Description : When Arsenic atoms are added to Germanium lattice, it becomes a/an (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

Last Answer : Extrinsic semiconductor

Define intrinsic and extrinsic semiconductor.

Description : Define intrinsic and extrinsic semiconductor. 

Last Answer : Intrinsic – Semiconductor in pure form is called as intrinsic semiconductor. Extrinsic – Semiconductor with added impurity is called as extrinsic semiconductor.

In a single crystal of an intrinsic semiconductor, the number of free carriers at the Fermi level at room

Description : In a single crystal of an intrinsic semiconductor, the number of free carriers at the Fermi level at room temperature is: A) Half the total number of electrons in the crystal B) Zero C) Half the number of atoms in the crystal D) Half the number of free electrons in the crystal

Last Answer : In a single crystal of an intrinsic semiconductor, the number of free carriers at the Fermi level at room temperature is: Zero 

n-type semiconductor can be made by adding ____ to intrinsic semiconductor

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

At very high temperatures, extrinsic semiconductor becomes intrinsic semiconductor because

Description : At very high temperatures, extrinsic semiconductor becomes intrinsic semiconductor because (A) Of drive in diffusion of dopants & carriers. (B) Band to band transition dominates impurity ionization. (C) ... band to band transition. (D) Band to band transition is balanced by impurity ionisation.

Last Answer : At very high temperatures, extrinsic semiconductor becomes intrinsic semiconductor because Impurity ionization dominates band to band transition.

Intrinsic semiconductor material is characterized by a valence shell of how many electrons?

Description : Intrinsic semiconductor material is characterized by a valence shell of how many electrons? a) 1 b) 2 c) 4 d) 6

Last Answer : Intrinsic semiconductor material is characterized by a valence shell of 4 electrons.

At absolute temperature, an intrinsic semiconductor has ……….

Last Answer : At absolute temperature, an intrinsic semiconductor has No holes or free electrons.

At room temperature, an intrinsic semiconductor has ……….

Last Answer : At room temperature, an intrinsic semiconductor has A few free electrons and holes.

In an intrinsic semiconductor, the number of free electrons ………

Last Answer :  In an intrinsic semiconductor, the number of free electrons Equals the number of holes.

At room temperature the current in an intrinsic semiconductor is due to

Last Answer : At room temperature, the current in an intrinsic semiconductor is due to holes and electrons.

The Hall Effect voltage in intrinsic silicon

Description : The Hall Effect voltage in intrinsic silicon

Last Answer : The Hall Effect voltage in intrinsic silicon is negative

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

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

fabrication of semiconductor device and describe its need.

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.

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

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

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

Define : (i)Conductor (ii)Semiconductor

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.

Explain the p-type semiconductor.

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.

Define the term-Dopant, Extrinsic semiconductor.

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. 

Distinguish between P-type and N-type semiconductor.

Description : Distinguish between P-type and N-type semiconductor. 

Last 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 ... of electrons The electrons are majority carriers The holes are majority carriers

The electrical conductivity of a semiconductor increases with increase in temperature because

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

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

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

Dry etching refers to removal of material, typically a masked pattern of semiconductor material, by exposing...

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.

Majority carriers in n type semiconductor are_______.

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.

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

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.

what is the temperature coefficient of Resistance of 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.

what is semiconductor ?

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.

Do you believe that attaining pleasure and happiness are the only things which give life any intrinsic value?

Description : Do you believe that attaining pleasure and happiness are the only things which give life any intrinsic value?

Last Answer : I don’t think hedonism is where it’s at. I’d much rather share pleasure with another. That fulfills me.

Is there any intrinsic power in quartz crystals and, if so, what is it?

Description : Is there any intrinsic power in quartz crystals and, if so, what is it?

Last Answer : No. There is no “power” in quartz crystals other than their power to make gullible people spend lots of money on them!

How do you go about changing intrinsic beliefs... like... I live to eat.... to I eat to live?

Description : How do you go about changing intrinsic beliefs... like... I live to eat.... to I eat to live?

Last Answer : Yikes, I don’t know for sure, since I’m trying to figure it out too, but… diligence to change in the direction you personally feel will be the most fulfilling? I’m having trouble with the diligence part.

What special qualities do you find are intrinsic to magnetically charismatic people?

Description : What special qualities do you find are intrinsic to magnetically charismatic people?

Last Answer : The laugh.

What are intrinsic proteins? -Biology

Description : What are intrinsic proteins? -Biology

Last Answer : answer:

What is the location of intrinsic proteins in the cell membrane? -Biology

Description : What is the location of intrinsic proteins in the cell membrane? -Biology

Last Answer : answer:

What type of money is nonconvertible and has no intrinsic?

Description : What type of money is nonconvertible and has no intrinsic?

Last Answer : flat money

What vitamin does Intrinsic factor facilitates its absorption from the small intestine?

Description : What vitamin does Intrinsic factor facilitates its absorption from the small intestine?

Last Answer : Need answer

Where do Hydrochloric acid and intrinsic factor are secreted?

Description : Where do Hydrochloric acid and intrinsic factor are secreted?

Last Answer : Need answer

Intrinsic factor?

Description : Intrinsic factor?

Last Answer : DefinitionIntrinsic factor is a protein produced by cells in the stomach lining. It is needed for the intestines to absorb vitamin B12efficiently.InformationIn a disease called pernicious anemia, immune system damage to ... R, Benz EJ, Shattil SS, et al., eds. Hematology: Basic Principles and Prac

Lack of intrinsic factor?

Description : Lack of intrinsic factor?

Last Answer : DefinitionIntrinsic factor is a natural substance normally found in the stomach. You need this substance to absorb vitamin B12 from foods.A lack of intrinsic factor leads to pernicious anemia and vitamin ... to an autoimmune disease that causes the stomach lining to waste away (atrophy). The stomach

Intrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-proteins (D) Sigma protein

Description : Intrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-proteins (D) Sigma protein

Last Answer : Answer : B