(ii) Consider the semiconductors Ge (Eg = 0.7 eV) and GaAs (Eg = 1.4 eV) and assume that the same values of No and N, will hold as for Si (not really true !). Calculate approximate values for n; for these two semiconductors at temperatures of 80 K, 300 K and 400 K and compare to the values obtained %3D for Si at these temperatures. Also calculate the expected electrical conductivity of each of the three semiconductors at 300 K. Calculated values for ni and o: Semiconductor N; at 80 K Nj at 300K N¡ at 400 K o at 300 K Si Ge GaAs

Q: O The cathode lead is shorter. It goes to the negative rail

A:

Q: The full form of PIPO is

A: In digital electronics PIPO is  Parallel In Parallel Out.

Q: Assume each diode to be OFF when V₂ ≤ 0.7V and ON when VĎ >0.7V. Find iD1, İD2, İD³, and vō in each…

A: Given:a circuit,when , the diode is off. when , the diode is on. Find:iD1, iD2, iD3 and v0.

Q: In PN Jn. the depletion region contains

A: Depletion region, also called depletion layer is an insulating region within a conductive, doped…

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A: As we know that as there so many activities  which uses resources and time duration  as performed…

Q: plot the output voltage when the resister and capacitor in the series branch and the resister and…

A: Given that, Case 1: One resistor and capacitor are connected in series, and input voltage is changed…

Q: List the different between the Ge and Si diode

A:

Q: als are at the same A depletion mode JFET is a. normally on and must be biased off. b. normally off…

A:

Q: Using complete model, if rd-202 for each diode, then Ipz is equal to si 3-6K2 15V Si 2.57MA 2.77MA…

A: In the circuit Find the current in the diode Si Forward bias resistance rd= 20 ohm

Q: RTD

A:

Q: HISL0 R and L anedC for Load I aud 2

A:

Q: imo a b 202 32

A:

Q: Q) A CRO can be used to measure--- O A.C voltage. O D.C voltage. O Frequency. O All of above.

A: CRO displays the waveform on its screen.

Q: What fraction of drift current is due to electrons in intrinsic "Ge

A: The conductivity of semiconductor is lies in between conductor and insulator. The conduction in…

Q: The voltage across the SCR in the conduction mode (choose the correct answer) Forward breakover…

A:

Q: Determine the Vdc level across R1 if the diode is Silicon diode XSc1 D2 Ext Trig 1N4001 V1 R1 15Vpk…

A: In this question,  Find the  average output voltage Vo    This is half wave rectifier.

Q: What is the frequency and what is the period, write the formula

A: Frequency is nothing but repetition of signal per second

Q: The frequency is relating to time period--

A: In this question we need to answer how frequency is relating to time period.

Q: What happens to cut-in voltage when the temperature increases? a) Cut-in voltage increases b) Cut-in…

A: Option :b ( correct answer)

Q: Laminations of core are generally made of stainless steel O case iron silicon steel O carbon

A: This is a basic problem of transformer. The solution is given in the next step.

Q: Full load copper losses

A:

Q: Breif the difference in the active and passive element.

A: In case of the V-I plane; the passive elements provide only positive impedance whereas in the active…

Q: What is the required input voltage at AREF pin in Arduino UNO to have LSB voltage resolution of 1.47…

A: Given, Resolution of Arduino Uno is 1.47 mV. The Arduino Uno ADC is of 10 bit resolutions.

Q: In Iz find I& Iz

A: According to the question we have to find the value of the current I1 and I2.

Q: Choose the correct waveform for the given Negative Edge triggered D- flipflop among the following:…

A: The waveform for negative edge-triggered D flip-flop is the first reason is stated below: - At…

Q: 1. Plot the characteristic curve of the zener diode in the reverse-breakdown region from the results…

A: The Zener diode is similar to a normal PN junction diode. However, it is usually used in a biased…

Q: In PN Jn. The depletion region contains

A: A depletion region or depletion layer is a locale in a P-N intersection diode where no portable…

Q: Identify the temperature range of Nickel wired RTD O a. -80°C to 600° C O b. -80°C to 300° C O c.…

A: Nickel resistance temperature detectors contains good corrosion resistance and comparatively with…

Q: Sketch the waveform of vo. Indicate the maximum and minimum value 10 V E

A:

Q: The voltage gain for each stages are and respectively. (two decimal places). Rs-62002 Z=15KQ Zo=22k0…

A: We need to calculate Gain for individual stage

Q: A 51 A peak a.c. is as effective as d.c. current of what value?

A: The solution is given below

Q: B с D

A:

Q: Q3/B/ Draw output waveform for following 4-1 multiplexer if the following data input and data select…

A: A 4 to 1 multiplexer is a combinational circuit that has 4 input lines and one output line. it…

Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).