The wavelength of the light emitted by an LED is 1.27 micrometers, determine the energy band gap of the material used in that LED.

Q: 10. The capacitance of a Au-n-GaAs Schottky-barrier diode is given by the relation 1/C² = 1.57x1015…

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Q: 2 m m² He = 0.36 , HHy = 0.17. v.sec. %3D calculate: v. sec . 1) The drift velocity of the electron…

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Q: Germanium doped with 1024 m Al atoms is a semi-conductor at room temperature and each Al atom…

A: Electrical Conductivity of this material        = 2.4 × 104 per ohm per meter

Q: A Hall probe made from a semiconductor in the form of a cube of side 1 mm is being designed to…

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Q: The voltage of a BYZ83 type Zener diode is given as V, = 20v, power P, 300mW, and Zener resistance…

A: Zener parameters areVz=20VPz=300 mWPz=300×10-3WRz=20Ω

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

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Q: Calculate the wavelength of radiation in (um) emitted by an LED made up of a semiconducting material…

A: The bandgap energy is given as E=1.87434×10-20 J

Q: Gallium Arsenide diode laser emits 0.9 maw of power inside a CD player. The band gap of Gallium…

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Q: What semiconductor is frequently used for its high reliability at high speed? Explain why.

A: A semiconductor is an electronic device that is based on the electronic properties of semiconductor…

Q: if the energy gap is between( 1.2 and 5) eV this is a

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Q: When a PN- junction diode is reversed-biased, its series resistance is about__________. * 1- 10 Ω 2-…

A: In the given question, We have to discuss about the series resistance of PN junction diode when it…

Q: write the energy band diagram df P- ty pe and N-lype f Seml conductor.

A: In p-type semiconductor, the density of holes is greater than the density of electrons while in…

Q: A light-emitting diode made of the semiconductor GaAsP gives off red light (λ= 650 nm). Determine…

A: Given data: The wavelength of the red light is λ=650 nm.     The expression for the energy gap for…

Q: CsSnI3, a perovskite semiconductor, has a band gap of 1.3 eV. What area of the electromagnetic…

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Q: If the diode for the given circuit below is a Silicon diode, how much is the maximum positive…

A: In the question it is given that V1=7.5v , V2=3.6v Given the diode is a silicon diode, that means…

Q: from E-k curve, Q. 1; 3 Energy (eV) GaAs ΔΕ 0.31 Valence band [111] O k (a) 1. Energy gap, Eg 2.…

A: Given:- Eg= 1.42 ev

Q: The transfer ratio B of a transistor is 50. The input resistance of the transistor when used in…

A: Calculate the peak base current of the transistor in common emitter configuration. Ib=VinRin=0.01 V1…

Q: For a transistor, the current amplification factor is 0.8. The transistor is connected in common…

A: Given value--- current amplification factor = 0.8 . change in base current = 6 mA. We have to…

Q: When a p-n junction is forward biased, a) potential barrier decreases b) potential barrier increases…

A: There exists a barrier potential across a p-n junction. In forward biasing, the p-junction is…

Q: A potassium chloride crystal has an energy band gap of 7.6 eV above the topmost occupied band, which…

A: Given: Energy band of potassium chloride (Eo) = 7.6 eV. Wavelength of light = 140 nm.

Q: A single phase full wave rectifier has two diodes and the forward resistance of each diode is 25…

A: Considering the circuit to be resistive alone, the current through the the resistor R at time t is…

Q: Six volts is applied across a 2 cm long semiconductor bar. If the average electron drift velocity is…

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Q: What is the band gap of the semiconductor, if it can only be excited by the light with wavelength…

A: Maximum wavelength for which electron get excited is, 500 nm = 500 x 10-9 m

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

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Q: Based on the energy band gap working principle, (i) Plot the output of a semiconductor temperature…

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Q: Silicon atoms with a concentration of 7x 1010 cm3 are added to gallium arsenide GaAs at T = 400 K.…

A: Calculate the donor and acceptor concentrations in the semiconductor. The concentration of the…

Q: Complete the 4 - Band color code for a resistor that has a value of 65kΩ ± 10%.

A: Color code for resistors: Value of resistance, R = 65kΩ ± 10%.  = 65 × 103 ± 10%

Q: Q2/ If the resistivity of pure silicon is 2300 (0. m) and assuming that the valance electrons of…

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Q: Why is the reverse current in a silicon diode much smaller than that in a comparable germanium…

A: The outer shell of Germanium has four electrons while that of Silicon has three shells. Due to this,…

Q: For the Zener diode regulator shown in the figure below, Determine VL, VR, Iz and the power…

A: Since you have asked multiple question, we will solve the first question for you.if you want any…

Q: A silicon p-n junction (n = 1010 cm-3, Na = 1017 cm-3 and Na = 4 x 1016 cm3) is biased with an…

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Q: (2) luhäi To decrease the resistivity of a -3 * :semiconductor, we can Increase the carrier density…

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Q: When a voltage drop across a pn junction diode is increased from 0.70 V to 0.71V, the change in the…

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Q: Most solar cells are semiconductor-based. If most solar radiation has a wavelength of less than 1m,…

A: Given data The wavelength of solar radiation is λ=1 m. The energy of the silicon band is given as Es…

Q: The transfer characteristic curve of a transistor, having input and output resistance 100 Q and 100…

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Q: When a p-n junction is reverse biased, a) potential barrier decreases b) potential barrier increases…

A: In reverse bias of a p-n junction, the potential difference increases the strength of the barrier…

Q: Because of its semiconducting properties, CdSCdS is sometimes used in electronic devices. The band…

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Q: At 25°C, the electrical resistivity of an intrinsic Gallium Arsenide (GaAs) is 0.042 ohms.cm and the…

A: The electrical conductivity of GaAs at 25oC can be determined as, Here, ρ represents the electrical…

Q: A potential difference of 2.80 V exists across a light-emitting diode (LED). If the LED consumes…

A: Given Data:- Potential difference across the LED is V=2.80 V Electric energy consumed by the LED is…