Q4. a)As shown in Figure Q4.1, ten diodes are to be operated in series in a5000V peak string voltage application. The reverse-blocking voltage ofthe diodes is 600V and their maximum device reverse leakage current is4mA. For worst case conditions, calculate the maximum value of sharingresistance R and the power dissipation of resistors and diodes.D₁D₂D10wwMRRRVsOVFigure Q4.1: Series operation of switches

Answered: Q4. a) As shown in Figure Q4.1, ten…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Consider the circuit with three diodes and a AC input, as shown below: D2 R1 D1 D3 R2 Assume that the input AC voltage is Ttsin(100TTT). You may consider the diodes to be ideal. mean voltage generated across resistor R2 is (assuming current direction to be from AC so into R1, through diode network, and through R2 from top to bottom): O a. 0.5V Ob. -0.5V O c. 1V O d. OV
In the circuit shown in the figure, diode voltages are given as 0.6V and rD = 100 ohms. When point B is open circuit AIf + 5V is applied to the point of application, drawing the shape of the circuit formed and calculating the currents passing through the resistors.calculate.
For the circuit shown below, compute the maximum current through each resistor when terminal A is a) positive and, b) negative. Assume the diodes are ideal. (Will we convert to the RMS value to it's actual value?)
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4.70 A full-wave bridge-rectifier circuit with a 500-2 load operates from a 120-V (rms) 60-Hz houschold supply through a 6-to-1 step-down transformer having a single secondary winding. It uses four diodes, each of which can be modeled to have a 0.7-V drop for any current. What is the peak value of the rectified voltage across the load? For what fraction of a cycle does each diode conduct? What is the average voltage across the load? What is the average current through the load? 6:1 120 V rms 20 Vms 10.5 kN D2 D3 Vp = 0.7 V ண
A zener diode of voltage Vz( 6 volt) is used to maintain a constant voltage across a load resistance RL( = 10000) by using a series resistance Rs(+1000). If the emf or source is E( = 9V), calculate the value of current through series resistance, zener diode and load resistance. =
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Zener diodes are special purpose diodes designed to operate in their breakdown regions. Describe the working principle and characteristics of a typical Zener diode found in the market place. The Zener-diode regulator circuit shown below is to be used to provide a stabilised output to the load. The zener diode characteristic is also shown. Find the load voltage and source current if the battery voltage is 20 V, series resistance is 1.4 kohm and load resistance is 6 kohm
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1- Explain briefly with figure if exist, the Degenerate semiconductors. 2- When a diode is connected in a Reverse Bias condition, the overall result is a small ne current. Why?
What is the resistance in the forward-conduction region of the shockley diode based from the problem. No need to compute for the current.

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