A small concentration of minority carries are injected into a homogeneous semiconductor crystal at one point. An electric field of 10 V/cm is applied across the crystal and this moves the minority carriers by a distance of 1 cm in 20 ms. What will be the mobility of the minority carriers?

Q: Elaborate the following with Scientific Reason. 1) Why Intrinsic Semiconductor materials are the…

A: Intrinsic semiconductors: These are pure semiconductor that has no external impurity.

Q: is given by for 0<x<L The electron mobility is The electron concentration in a semiconductor n(x)…

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Q: A sample of n-type silicon semiconductor has the following properties:Donor density Ndis 5x1019per…

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Q: 4. The silicon whose length is 20 cm is subjected to an electric field of 25 volts. The velocity of…

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Q: A voltage of 8 V is applied over a silicon specimen that is 78 mm in length. The electron mobility…

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Q: (A) compute the concentration of electrons and hole in an intrinsic sample of Si at room temperature…

A: For the Intrinsic sample of Si at room temperature  At me = 0.7 mo and mh = mo Concentration of…

Q: Q1 (a) In your own words, describe an intrinsic and extrinsic materials. (b) Explain the process to…

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Q: We inject electrons into a p-type semiconductor 5 microns long such that the concentration varies…

A: Diffusion current is the movement of holes and electrons from high-concentration locations to…

Q: A typical Cu wire might have 2 X 1021 free electrons in 1 cm of its length. Suppose that the drift…

A: Given that the wire has 2 x 1021 free electrons length = 1 cm drift velocity is 0.05 cm/s

Q: Q3. In terms of electron energy band structure, discuss reasons for the difference in electrical…

A: We need to differentiate the metal, semiconductor and insulator in term of conducti

Q: Minority carriers (holes) are injected into a homogeneous n-type semiconductor sample at one point.…

A: The diodes are made of semiconductor materials. Silicon and germanium are common semiconductors for…

Q: Which of the following defines a p-type semiconductor? Please choose one: A) negatively charged B)…

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Q: Figure shows the parabolic E versus k relationship in the conduction band for an electron in two…

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Q: An intrinsic semiconductor has some holes in it at room temperature. What causes these holes?…

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Q: 1 (a) Suppose in a donor doped semiconductor at a particular temperature, EF is 0.015 eV above than…

A: d is correctconcept: in n-typeas T→  OKEF lies avove EDAand at some intermediate temp. Ef-Edand at…

Q: 9.A semiconducting crystal with 12 mm long, 5 mm wide and 1 mm thick has a magnetic density of 0.5…

A: 9. From the above question data is as follows: To find Hall coefficient:VH=37 μV=37×10-6 Vt=1…

Q: 9. Which of the following equation represents mass semiconductors in electronic circuits? action law…

A: The correct option along with the explanation is provided in the following section.

Q: - A semiconductor material has electron and hole mobilities µn and µp respectively. When the…

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Q: Q1: A particular intrinsic semiconductor has a bandgap energy of 1.32 eV and has a resistivity of 60…

A: We need to find out resistivity at given temperature

Q: A current density of 5000 A/cm2 exists in a 0.02 Ω · cm n-type silicon sample. What is the electric…

A: The current density is 5000 A/cm2 The resistivity of the n-type sample is 0.02 ohm-cm. Current…

Q: At 300K, the electron density in a silicon sample has linear distribution and decreases from 106 cm…

A: Given at 300 K. the electron density in a silicon sample has linear distribution n(x)=1016 cm-3 at…

Q: Question 4 If a pure ("intrìnsic") semiconductor material is heated, the thermal energy liberates…

A: In pure intrinsic semiconductor, the concentration of electrons is equals to concentration of holes.…

Q: ) If in pure silicon crystal there are 500000 holes, then how many free electrons are there in the…

A: The solution is given below

Q: In a LED design, a semiconductor Fe2O3 and ZnO is applied to produce light. From Table 4.1 and Table…

A: According to the question, we need to find the color of the light produced by Fe2O3 and ZnO.

Q: Assume that the conductivity of a pure semiconductor at an applied electric field of 450 mV/m is…

A: The data given in the question are: E=450mV/m, σ=2.75×1013/Ω-cm, vd(e)=0.135m/s, vd(holes)=0.048m/s…

Q: The maximum drift velocity of electrons in silicon is 107 cm/s. If the silicon has a charge density…

A: Given data, The value of maximum drift velocity is 107 cm/s. The value charge density is 0.4 C/cm3.…

Q: In a P-type semiconductor, the Fermi level is 0.3 ev above the valance band at a room temperature of…

A: Fermi level in P-Type semiconductor lies near to valence band. Fermi level EF in P-Type…

Q: Germanium doped with 104 m* Al atoms is a semi-conductor at room temperature and ch Al atom creates…

A: Germanium is a group-14 element and it is a pure semiconductor. Its conductivity is low at room…

Q: the electron and hole mobilities in silicon at 320 K are 0.13 and 0.029, and assuming hole and…

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Q: With regard ton-type extrinsic semiconductors, which one of the following explanations is not…

A: From given question, N-type semiconductor is the type of extrinsic semiconductor in which the…

Q: A- An n - type silicon bar 0.1 cm long and 100 um? in cross - sectional area has a majority carrier…

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Q: questions: Draw the energy band diagram of the semiconductor. In you drawing, you have to show the…

A: Dear student as per our guidelines we are supposed to solve only one question in which it should…

Q: How do I calculate the conductivity of a pure Ge semiconductor sample at 300K? Given that the free…

A: Given data:

Q: Indicate a total of 8 factors that determine the breakdown  strength in liquid insulators; Explain…

A: The liquids are easily contaminated, and may contain impurities in the form of  solids, other…

Q: Find the kinetic energy of electrons in the conduction band of a nondegenerate n-type semiconductor…

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Q: A silicon crystal having a cross-sectional area of 0.001cm and a length of 10'cm is connected at…

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Q: Determine the (a) conductivity and (b) resistivity of an intrinsic germanium semiconductor at a…

A: For Germanium at 300 K, Intrinsic carrier concentration: ni=4×1013 cm-3electron mobiliy: μn=5800…

Q: a) Explain the band structure of an electrical conductor (metal), a semiconductor, and an insulator…

A: b) P-type semiconductor P-type semiconductor is formed by adding trivalent elements i.e .B, Al ,Ga…

Q: Figure Q4 shows the silicon wafer. This silicon has been added with the two elements as listed in…

A: Fig: Given silicon wafer  Although si concertation of silicon wafer  is 1x 1018 atoms /cm3 .…

Q: Explain what will happen to a semiconductor doped by equal concentration of donors and acceptor…

A: Doping:- Doping is the deliberate introduction of impurities through an intrinsic semiconductor in…

Q: The electron number density in a semiconductor varies from 1020 m-3 to 1012 m-3 linearly over a…

A: Given data, μе = 0.135 m2V-1s-1 , The temperature(T) is 300 K. The distance(x) is 4μm

Q: Question 5 Which of the following is true for a degenerate semiconductor? (a) A semiconductor…

A: Semiconductor- Semiconductor is a material which has properties of both metal as well as nonmetal.…

Q: the electron and hole mobilities in silicon at 320 K are 0.13 and 0.029, and assuming hole and…

A: We need to find out conductivity for given semiconductor

Q: In a semiconductor, an energy gap concept is used to show the difference between …… .. Please choose…

A: Eg = Energy gap .   Eg = EC -EV    EC = conduction energy  band level   EV = valence energy band…

Q: Consider plane electrodes with a solid insulator between them. Find the electric field strength at…

A: To find the breakdown voltage at that field

Q: 4) What is the probability of an electron being thermally promoted to the conduction band in diamond…

A: Using probability density function we can find the probability

Q: Two semiconductor material have exactly the same properties except that material A has a bandgap of…

A: For a semicounductor at a tempeture of T K, the intrinsic carrier concentration can be expressed as…

Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.