To increase the efficiency of photovoltaic cell, one can a.Increase the absorption of the light b. Make the semiconductor material very thick c. All of them d. Use semiconductor materials with large energy gap

Q: 3. Calculate the wavelength of light emitted by a semiconductor laser whose band gap energy is 1.85…

A: Given: Eg = 1.85 eV. 1 eV = 1.602 × 10-19 J So, Eg = 3 × 10-19 J To determine: Wavelength  Formula…

Q: 4. Compare between the planner density of (100), (110), (111) planes for each of the following unit…

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Q: 1. Find the Peak Input Voltage for the half-wave rectifier that provides an average output voltage…

A: Average voltage,V=120V Let V' be the peak input voltage for the half wabe rectifier. So V=V'/π So…

Q: 1- How can we measure the impurity concentration? 2- The average thermal velocity of electrons at…

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Q: Design a night vision camera with the help of a suitable semiconductor and mentioned the challenges…

A: Night vision based on technology of image intensifier tubes is the oldest electro-optical…

Q: 1- The process of adding an impurity to an intrinsic semiconductor is called... 2- The maximum…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: 6) In reverse biased, the barrier potential (y) is ... a) Increase. b) Decrease. c) Not effect.

A: When a p-n junction diode is fabricated, diffusion of charges take place and at the junction,…

Q: 5. The total charge which is developed by gas multiplication if the avalanche is initiated by an…

A: Question: The total charge which is developed by gas multiplication if the avalanche is initiated by…

Q: Q1/ Draw the circuit used in a half-wave rectifier with the input and output signal using a silicon…

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Q: Q5 -If the total energy of the electron in an orbit is positive, this means: The electron moves to…

A: Q5 Negative sign to total energy of the electron indicates the bound states and positive sign to…

Q: Q4: Consider a Zener diode with a nominal voltage (10v @ 10mA) and a resistance of 50 ohm. Calculate…

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Q: 6 Assume a two-dimensional lattice with 3Å periodicity and a velocity of sound of c = 10^3m/s.…

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Q: QUESTION 11 into the if it has an energy of 1.12 ev. Light pushes electrons from O Valence Band,…

A: Since you have asked multiple questions, we will solve the first one (question 11) for you. In case…

Q: Fully explain a p-type semiconductor, including which element is used as an example

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Q: Question 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 = 2.80 eV. wavelength = 6000 nm. We have to find--- can it detect…

Q: Silicon is doped with 3×1017 arsenic atoms/cm3. (a) Is this n-or p-type silicon?(b)What are the hole…

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Q: Plz choose the correct answer with reason  5- If a diode is forward biased, the recombination of…

A: If a diode is forward biased, the recombination of pairs of e-h produce heat, light and radiation…

Q: 4.) Suppose you know a material is p-type, and that the thermal equilibrium electron concentration…

A: Solution:-

Q: Identify superconductors and their uses.

A: When a conductor cools down upto a certain temperature so that its resistance is zero, it becomes a…

Q: 3. The heat can transferred within solid material because; (a) Electron movement due to electric…

A: To select correct option regarding heat transfer within the solid material.

Q: sis Questions: Which material would make the BEST insulator? Why?

A: Insulator:An insulator is a material that does not conduct electrical current.

Q: 1. Deduce the band structures of a diode and solar cell based on P-N junction.

A:

Q: 4. Someone proposes to make a new LED using gallium and antimony. What would you predict about its…

A: The bandgap energy of a semiconductor is related to its composition. The important trend that can be…

Q: Define Semiconductor Diode And Give Some Examples Of It

A: Semiconductor diodes can be defined as diodes that are made up of semiconducting materials…

Q: 2. Calculate the Fermi energy for the valence electrons in sodium metal given that the valency of…

A: Fermi energy;        EF=h28π2m3π2n2/3   ANS: The fermi energy is 5.073×10-21 Joule or 0.032 eV

Q: 1. Describe forward bias of a diode.

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Q: X- Hall Effect demonstrates that it is the electrons that are free to move. Y- Germanium and…

A: Hall effect explains free electrons move and are responsible for current in metals . Both Germanium…

Q: The advantage of LED is a. Long life b. Fast on-off switching c. Low operating voltage d. All of…

A:

Q: velocity (in microns per second)

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Q: Q2. If the band gap of silicon is 1.1 ev, show that green light (^ = 5 x 10-7 m) can excite…

A: The wavelength of the green light is λ=5×10-7 m,  The energy is 1.1 eV, the energy in joules is 1.1…

Q: One of the success of the free :electron model that it could describe Differences between insulator,…

A: The free electron model states that the valence electrons of the constituent atoms of the crystal…

Q: Do you think a material with little or no crystal structure (a "glass") could be superconducting? If…

A: Two condition to be a superconductivity: A superconductor is characterized by two features: the…

Q: 1. With the help of a neat diagram, write the generation and properties of a LASER

A:

Q: 2. How is enthalpy related to energy?

A: Enthalpy is defined as amount of heat (energy) absorbed or released by the system to cause a change…

Q: (1) Stars can be considered ideal blackbodies. A distant star is observed to emit a spectrum of…

A: Given:- Stars can be considered ideal blackbodies. The peak wavelength of the light is 962 nm…

Q: 3. How do you correlate the Moore's law with nanotechnology? Enumerate th

A: The observation made in 1965 by Gordon Moore, co-founder ofIntel, that the number of transistors per…

Q: describe how heat is transfer in semiconductor? also explain power amplifier course hero

A: To Understand heat transfer we need to first understand the types,In which the heat transfer takes…

Q: 10- LED has an advantage of a. Long life b. Fast on-off switching c. Low operating voltage d. All of…

A: SOution: select the correct option of LED bulb LED = LED is the light emitting diode

Q: Do you know how a diode and an LED are related to semiconductors? Use a diagram with a short…

A: