Draw the I-V characteristics of a P-N junction in the dark and after it is illuminated with light. Identify points of operation if it is used as a (i) light detector, (ii) as a solar cell. Plot the power vs voltage if used as a solar cell and give the definition of "Fill Factor". Vam of on ou ta guinego 3 to a most oben Cll az 294) in aliquolevan stifteluales bretot sviestu la E

Draw the I-V characteristics of a P-N junction in the dark and after it is illuminated with light. Identify points of operation if it is used as a (i) light detector, (ii) as a solar cell. Plot the power vs voltage if used as a solar cell and give the definition of "Fill Factor". Vam of on ou ta guinego 3 to a most oben Cll az 294) in aliquolevan stifteluales bretot sviestu la E

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...

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Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and current relationships change? (a) If C1 is the complex positive-sequence voltage gain in Problem 3.29 and (b) if C2 is the negative sequence complex voltage gain, express the relationship between C1andC2
What is CEMF?
For an ideal silicon p-n abrupt junction with NA = 1017 cm-3 and ND = 1015 cm-3(a)calculate Vbi at 250, 300, 350, 400, 450 and 500 K and plot Vbi versus T. (b) comment on your result in terms of energy band diagram. (c) find the depletion layer width and the maximum field at zero bias for T = 300 K
Derive the expressions for current-voltage I -V relation, short circuit current ISC, and open circuit voltage VOC of a p-n junction solar cell.
Explain how a pn junction works. Specifically, what happens when you bring together a block of p-type material and a block of n-type material? Why is a depletion region formed? Why do we have an electric field with no applied voltage? Why is there a built-in voltage with no applied voltage? Explain the I-V curve of a pn junction.
For the ideal-diode clipper circuit given below, VS = 12.sinωt V. Determine the output voltage Vout and sketch this function. Remove the short circuit between points x and y, and replace it with a 2kΩ Resistor. Find the range of values of VS for; D1 and D2 are OFF D1 is ON and D2 is OFF D1 is OFF and D2 is ON Is it possible for both D1 and D2 to be ON?
A diode is doped with NA = 1018/cm3 on the p-type side and ND =1019/cm3 on the n-type side. (a)What is the depletion-layer width wdo? (b) What are the values of xp and xn? (c) What is the value of the built-inpotential of the junction?(d) What is the value of EMAX? Use Eq. E(x) = 1 /εs ∫ ρc(x) dxand as shown.
The concentration of donor impurity atoms in silicon is Nd = 1015 cm-3. Assume an electron mobility of u, = 1300 cm?/V-s and a hole mobility of u, = 450 cm2/V-s. (a) Calculate the resistivity of the material. (b) What is the conductivity of the material?
For the given circuit find the VRL Voltage of the load; VR Voltage in the resistance R; Iz Current of the Zener diode and the Pz Power in the Zener diode. VRL = ? Iz = ? Pz = ? If the Zener diode in the figure has an elbow tension of 0.7 V. Zener breaking voltage of VZ = - 15 V Vin = 40 V R = 1 kohm RL= 3 kohm Requirement: Take out Vth by mesh method and solve equations
10 - Akım yoğunluğu, yalıtkan alt tabakalar üzerinde büyütülen mesa yapılı LED'lerde de meydana gelir.Bu durum akım akış tasarımının hangi yönüyle açıklanır? Current density also occurs with mesa structured LEDs grown on insulating substrates. What aspect of current flow design is this explained? A) Yalıtım yüzeylerindeki LED’lerde akım yoğunluğu Current crowding in LEDs on insulating substrates B) Akım Engelleyen Katmanlar Current-blocking layers C) Yanal Enjeksiyon Şemaları Lateral injection schemes D) Mevcut Yayılma Teorisi Theory of current spreading E) Akım Yayan Katman Current-spreading layer
The work function for the anode is bigger than that of the cathode, resulting in a so-called "contact-potential difference" between the anode and cathode. Its effect is to shift the entire Current vs. Voltage curve (why?). Estimate the contact potential difference. 7
a) determine I1, I2, I3, I4 using 2nd approximation b) determine ID1, ID2, ID3 using 3rd approximation c) determine VR1, VR2, VR3, VR4 using practical diodes