1-4.7 A box contains 25 transistors, of which 4 are known to be bad. A transistor is selectedat random and tested.a) What is the probability that it is bad?b) If the first transistor tests bad what is the probability that a second transistor selectedat random will also be bad?c) If the first transistor tested is good, what is the probability that the second transistorselected at random will be bad?

Step 1:(a) What is the probability that a randomly selected transistor is bad? Given:Total…

Answered: 1-4.7 A box contains 25 transistors, of…

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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Answer 10 only. Show the process
4. Sketch the DC load line for the voltage divider bias circuit for each transistor case and place the Q-point on it. Is there a difference between the load lines in this case?
How much is the voltage across the base-collector junction (VBC) of the transistor?How is the base-collector junction of the transistor biased?
The breakdown voltage of a lot of transistors is assumed to follow a normal distribution.Ten samples are tested from this lot, getting the following measurements for breakdownvoltage.- Customer specifications are.-Upper limit: 52.8Lower limit: 47.2What is the Cpk for this lot ?.If this lot has a million transistors, how many would be found below the lower limit and how many above the upper limit ?
A (conventional) current of 26 uA flows out of the base of a certain transistor. The emitter current is 0.94 mA. What is the collector current and what kind of transistor is it (npn or pnp)? Draw a transistor symbol and label all current flows, showing directions and magnitudes.
(iii), Why is the voltage-divider bias the preferred bias configuration? (iv) In a certain voltage-biased npn transistor, VB is 2.95 V. The DC emitter voltage is (a) 0.7 V (b) 2.95 V (c) 2.25 V (v) The emitter current is always (a) greater than the base current (b) less than the collector current (c) greater than the collector current (d) 3.65 V (d) answers (a) and (c)
1. An NPN transistor is forward biased when A. positive voltage, with respect to its emitter, is applied to the base B. A negative voltage, with respect to its emitter, is applied to the base C. A positive voltage, with respect to its base, is applied to the emitter D. A negative voltage, with respect to its base, is applied to the emitter 2. Which statement is true for transistors? A. Most of the majority carriers from the emitter recombine in the base B. Most of the majority carriers from the emitter recombine in the collector C. Most of the majority carriers from the emitter pass through the base region to the collector D. Most of the majority carriers from the emitter pass through the collector region to the base 3. Which statement is Ture about the terminals of a transistor? A. The collector and emitter terminals are interchangeable B. The emitter is smaller and…
In saturation, what statement correctly describes the operation of a BJT transistor? Select one: a. No current flows through the transistor. Ob. There is a linear relationship between collector and base current. There is a nonlinear relationship between collector current and base current. d. There is an inverted but linear relationship between collector and base current. C.
How does the construction of a transistor differ from the construction of a PN junction diode? What are the two types of transistors? What are the three parts of a transistor called? Draw and label the schematic symbols for an NPN and a PNP transistor. What are transistors used for? How are transistors classified? What symbols are used to identify transistors? What purposes does the packaging of a transistor serve? How are transistor packages labeled? What are the basic functions of a transistor? What is the proper method for biasing a transistor? What is the difference between biasing an NPN and a PNP transistor? What is the barrier voltage for a germanium and a silicon transistor? What is the difference between the collector-base junction and the emitter- base junction bias voltages? What may cause a transistor to fail? What are two methods of testing a transistor? When using an ohmmeter, what should the results be for an NPN transistor? What are the two…
Consider the circuit in figure 1. Determine the base, collector, and emitter voltages and currents, as well as the currents through R1 and R2. Assume that the transistor is ideal, and that its β = 10. Further, determine for what values of R1 and R2 is the transistor in its three regions (Cutoff, Saturation, and Active). Finally, replace the transistor with a PNP transistor, how does this change the results?
4. For the circuit shown in Figure, determine IC and VCB. Assume the transistor to be of Germanium.
At cut-off, what statement below correctly describes the operation of a BJT transistor? Select one: a. No current flows through the transistor. Ob. There is an inverted but linear relationship between collector and base current. c. There is a nonlinear relationship between collector current and base current. Od. There is a linear relationship between collector and base current.

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