When a PN- junction diode is reversed-biased, its series resistance is about__________. * 1- 10 Ω 2- 100 Ω 3- 1 kΩ 4- 10 kΩ 51 10 MΩ

Q: The circuit shown below was used as a current source in a LED lighting application, and voltage…

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Q: Solve for Vo, i1, 12 & I (diodes are silicon) Vo Si 0.47K 20V- Ge SI 12 SI 0.47K

A: The cut in voltage for Germanium diode = 0.3 V Silicon diode = 0.7 V

Q: The number of electrons is ... the acceptors concentration in P-type semiconductors. O greater than…

A: P-type semiconductors : I formed by doping the semiconductor material by group 13 elements. Thus ,…

Q: Determine the saturation current in a pan junction diode at 256k if a voltage of 0.0668v produces a…

A: The current through a p-n junction diode is I=IseqVkBT-1 The saturation current is, Is=IeqV/kBT-1

Q: Q.3 For a given diode network in the figure below, find output the voltage Vo. V = 10U DI lo V

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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 larger the band gap, the lower the electrical conductivity at lower temperature. TRUE FALSE

A: The bandgap is one of the major factors which determines the electrical conductivity of the…

Q: The reverse current in a diode is of the order of .. . O uA O mA O KA O A

A: Diode is a semiconductor device which conducts current in one direction and restricts it from…

Q: Explain the Principle and Physics behind a Semiconductor p-n junction generator rectification…

A: Principle A p-n junction diode is a two terminal device which allows the electric current in only…

Q: What should be the width of the band gap of the semiconductor from which the LED that glows green is…

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Q: The four semiconductor diodes used in a bridge rectifier circuit have forward resistance which can…

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Q: In semiconductors the concept of nonequilibrium carriers distribution function provides a mean to…

A: We know that most of the the devices of interest are not in thermal equilibrium ,thus the ambient…

Q: What is the meaning of negative resistance? In which type of diode is it found?

A: If the increase in voltage results in decrease in electric current in electric circuits, that…

Q: How does the resistance of: i) a semiconductor ii) an alloy vary with temperature?

A: i) The resistance of semiconductor decreases with increase in the temperature. The resistance is…

Q: Explain why a p-n junction possesses capacitance.

A: Just like a capacitor stores electric charge in the form of electric field, a p-n junction has…

Q: The difference in the variation of resistance with temeperature in a metal and a semiconductor…

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Q: The longest wavelength of radiation absorbed by a certain semiconductor is 0.512 μm. Calculate the…

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Q: In a bridge rectifier, four diodes conduct during each half cycle of the input. true O False

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Q: In NPN or PNP transistor: A. Ic> IE, B. IE >Ic, C. IE = Ic, D. None of the above.

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: The circuit shown below contains two ideal diodes, each with a forward resistance of 50 Q. If the…

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Q: When a diode is forward biased, it has a voltage drop of 0.5 V. The safe limit of current through…

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Q: 14.0 V 4.0 N 6.0 N 10.0 V 2.0 1 Find the currents I, I2, and I3 , and the potential difference Vbc…

A: Use KCL at node/junction b and write the equation as follows. Use KVL in loop befcb and write the…

Q: The reverse current in a diode is of the order of ΚΑ mA O A μA

A: The reverse current in a diode is of very small magnitude . It is of the order of micro ampere  When…

Q: When p-n junction diode is forward biased then Both the depletion region and barrier height are…

A: (A) both the depletion region and barrier height are reduced Because more recombination of electron…

Q: PN-junction diode works as an insulator, when connected in?

A: When the PN junction diode is connected in reverse bias no current flows and works as an insulator.…

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: The resistance (kN) of a 1 cm³ pure silicon crystal.[n;=1x10" cm³, µ=1250 cm²v's'¸ -350 cm² V-lsl]

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Q: äböi For the circuit shown below, calculate Vout if the saturation current for the * diode is 50nA,…

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Q: There is no current generated in the valance band of semiconductors : O true false

A: It is false since at high temperature valance electrons moves and produce aome current

Q: when a silicon diode is reverse biased , it voltage equal : O 0.7 V O -0.7 V O ov O non of the…

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Q: +8V ww 1.2 k +* 4.7 K62 k

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Q: What is the difference between an ordinary p-n junction diode and a zener diode?

A: The PN junction is a semiconductor diode with some depletion region. In case of Zener diode, the…

Q: In 26.7b, as the applied voltage increases, does the resistance of the diode (a) increase, (b)…

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Q: In the complete diode model, O the forward dynamic resistance is taken into account the reverse…

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

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

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Q: The resistivity of an n-type extrinsic semiconductor is 0.25 N-m. If the electron mobility is 8.25…

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Q: What will be the effect on the electrical mechanism when the semiconductor contains equal number of…

A: Donor impurities are added when a pentavalent atom is doped with semiconductor. Acceptor impurities…

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: 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: For the given circuit below, compute for the diode current. Si Vs 18 V. RL 8 k2

A: using Kirchhoff"s voltage law we can solve this problem  . given silicon diode  is not an ideal…

Q: The plot of the E field with respect to x in a metal semiconductor junction at 300K is shown in the…

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Q: Compared to an insulator, the energy gap of a semiconductor is: A. full of holes B. about the same…

A: The difference of energy between the bottom of the conduction band and the top of the valence band…

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: In the following diagram, is the junction diode forward biased or reverse biased? 15 V R2 3V

A: For forward bias, Vp > Vn

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…