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16. Collector-feedback bias also called A. self-bias. B. collector follower. C. negative collector. D.

16. Collector-feedback bias is also called A. self-bias. B. collector follower. C. negative collector. D. voltage-divider. 17. Collector-feedback bias is still sensitive to changes in current gain, but it is used because of its A. small size. B. low cost. C. simplicity. D. complexity. 18. Emitter-feedback and collector-feedback are typically not adequate because A. there is too much negative feedback. B. there.
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16. Collector-feedback bias also called A. self-bias. B. collector follower. C. negative collector. D.
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2.Voltage-divider bias really emitter bias in disguise. 3. In the circuit

2.Voltage-divider bias is really emitter bias in disguise. 3. In the circuit shown in Figure 7-12, the first step in finding the emitter current is to determine the voltage across R2. 4. The emitter-base junction voltage of the silicon transistor shown in Figure 7-12 is approximated to be 0.3 V. 5. The emitter.
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2.Voltage-divider bias really emitter bias in disguise. 3. In the circuit
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26. Semiconductor manufacturers make Darlington pairs inside a single case.

26. Semiconductor manufacturers make Darlington pairs inside a single case. What is this device known as? A. Semiconductor single case B. Darlington transistor C. power transistor D. regulator transistor 27. A Darlington connection comprised of npn and pnp transistors is called a A. stationary Darlington. B. Duo-Darlington. C. supplementary Darlington. D. complementary Darlington. 28. In conjunction with a zener diode,.
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26. Semiconductor manufacturers make Darlington pairs inside a single case.
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41. With ambiguous troubles, the troubleshooter very often must A. replace

41. With ambiguous troubles, the troubleshooter very often must A. replace all suspected components. B. memorize the circuit diagram. C. disconnect one suspected component and test it. D. disconnect all suspected components and apply power. 42. What should a troubleshooter do if the base, collector, and emitter voltages in a transistor circuit all measure 0.
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41. With ambiguous troubles, the troubleshooter very often must A. replace
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17. What the mathematical approach that models the transistor what

17. What is the mathematical approach that models the transistor on what is happening at its terminals without regard for the physical processes taking place inside the transistor? A. small-signal characteristics B. Thevenin's Theorem C. Kirchoff's Laws D. h parameters 18. One way to stabilize voltage gain is to leave some of the emitter resistance.
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17. What the mathematical approach that models the transistor what
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A. power output. B. power gain. C. voltage gain. D. beta. 27. When a

A. power output. B. power gain. C. voltage gain. D. beta. 27. When a single or double stage amplifier is not working, troubleshooting can begin by measuring dc voltages. 28. In order for a bypass capacitor to work properly, its reactance must be A. much smaller than the resistance. B. much larger than the resistance. C. equal to.
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A. power output. B. power gain. C. voltage gain. D. beta. 27. When a
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16. The middle region of a transistor the ________. A. collector B.

16. The middle region of a transistor is the ________. A. collector B. emitter C. base D. beta 17. Which region of the transistor is physically the largest? A. collector B. emitter C. base D. beta 18. The two junctions of a transistor are between the emitter and the base and between the A. collector and emitter. B. collector and base. C. collector.
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16. The middle region of a transistor the ________. A. collector B.
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16. With a common-collector amplifier, the input signal is A. coupled

16. With a common-collector amplifier, the input signal is A. coupled to the base and the output signal is taken from the emitter. B. coupled to the base and the output signal is taken from the collector. C. coupled to the emitter and the output signal is taken from the collector. D. coupled to.
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16. With a common-collector amplifier, the input signal is A. coupled
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36. Transistor saturation and cutoff regions used in circuits referred

36. Transistor saturation and cutoff regions are used in circuits referred to as ________. A. rectifiers B. filters C. switching circuits D. amplifiers 37. In a common-emitter circuit, once the base current has been calculated, collector current can be determined by multiplying base current by ________. A. alpha B. the load resistor C. maximum power rating D. beta 38. When.
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36. Transistor saturation and cutoff regions used in circuits referred
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2. A zener diode sometimes called a voltage-regulator diode because

2. A zener diode is sometimes called a voltage-regulator diode because it maintains a constant output voltage even though the current through it changes. 3. The zener diode must remain in the breakdown region under all operating conditions in order for a zener regulator to hold the output voltage constant. 4. The.
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2. A zener diode sometimes called a voltage-regulator diode because
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46. What would the voltage be across RL if C

46. What would the voltage be across RL if C shorted? A.ac B.120 Vdc C.pulsating filtered dc D. zero 47. A device that keeps the current through it fixed when the voltage changes is aA. zener diode. B. current-regulator diode. C.silicon rectifier. D.tunnel diode. 48. A diode that is useful in frequency multiplier circuits is aA. snap diode. B.slope diode. C.photo.
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46. What would the voltage be across RL if C
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31. The combination of an LED and a photodiode called

31. The combination of an LED and a photodiode is called a(n) A.seven-segment display. B.laser. C.LCD. D. optocoupler. 32.What type of cable is comprised of thin flexible fibers of glass or plastic that transmit light beams instead of free electrons? A.coaxial B.stranded copper cable C. fiber-optic D. wave guide 33. What type of instrument can be used to test for.
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31. The combination of an LED and a photodiode called
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41. It very difficult to get a small output impedance

41. It is very difficult to get a small output impedance with a A. common-collector amplifier. B. common-emitter amplifier. C. common-base amplifier. D. emitter-follower amplifier. 42. What is the circuit shown in Figure 9-16 (c)? A. two cascaded common-emitter amplifiers B. a small-signal amplifier C. a supplementary Darlington D. a complementary Darlington 43. What is the circuit shown in Figure.
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41. It very difficult to get a small output impedance
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41. In most applications, a small-signal transistor not fan-cooled A. but

41. In most applications, a small-signal transistor is not fan-cooled A. but it does have a heat sink. B. and it does not have a heat sink. C. but it can be used as a power transistor. D. and case temperatures are usually above 30°C. 42. The only way to keep a transistor case temperature.
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41. In most applications, a small-signal transistor not fan-cooled A. but
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A. ac resistance. B. dc resistance. C. reactance. D. impedance. 37. An equivalent transistor

A. ac resistance. B. dc resistance. C. reactance. D. impedance. 37. An equivalent transistor circuit model used to analyze ac signal processing that looks like a T on its side is the A. Fourier model. B. p model. C. Thevenin model. D. Ebers-Moll model. 38. What is the most popular circuit model that is used to analyze how a.
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A. ac resistance. B. dc resistance. C. reactance. D. impedance. 37. An equivalent transistor
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21. The type of biasing that produces the most useful

21. The type of biasing that produces the most useful results is A. forward-biasing the emitter diode and reverse-biasing the collector diode. B. reverse-biasing the emitter diode and forward-biasing the collector diode. C. forward-biasing the collector diode and reverse-biasing the base diode. D. reverse-biasing the collector diode and forward-biasing the base diode. 22. The base.
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21. The type of biasing that produces the most useful
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31. If the data sheet maximum rating, collector-emitter breakdown voltage

31. If the data sheet maximum rating, collector-emitter breakdown voltage is exceeded A. current gain becomes maximum. B. the emitter will become reverse biased. C. the transistor will go into cut-off. D. the transistor will breakdown and will probably be destroyed. 32. A transistor has a power dissipation that equals ________. A. VCE x RC B. VCE.
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31. If the data sheet maximum rating, collector-emitter breakdown voltage
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11. Transistor saturation and cutoff regions useful in digital and

11. Transistor saturation and cutoff regions are useful in digital and computer circuits referred to as switching circuits. 12. Small-signal transistors can dissipate less than 1 watt. 13. The power rating of a transistor can be increased by using a heat sink. 14. In a system of analysis called h parameters, hFE is.
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11. Transistor saturation and cutoff regions useful in digital and
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42. Amplified ripple out of a loudspeaker detected as A. sine

42. Amplified ripple out of a loudspeaker is detected as A. sine waves. B. high pitch noise. C. high frequency signals. D. low frequency hum. 43. In the circuit shown in Figure 8-4, what effect do the capacitors have on the dc biasing? A. add 0.7 V B. add 15 V C. puts transistor in cutoff D. no effect 44..
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42. Amplified ripple out of a loudspeaker detected as A. sine
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31. The zener follower provides the regulation of a zener

31. The zener follower provides the regulation of a zener diode with the increased current-handling capability of a A. common-collector circuit. B. common-emitter circuit. C. common-base circuit. D. common-follower circuit. 32. The amplifier configuration in which the input signal drives the emitter and the output signal is taken from the collector is the A. common collector. B..
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31. The zener follower provides the regulation of a zener
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11. The common-base amplifier also called a grounded-base amplifier. 12. The

11. The common-base amplifier is also called a grounded-base amplifier. 12. The output voltage of a common-base amplifier is out of phase with its input. 13. One of the major differences between the CB amplifier and other amplifier configurations is its A. low input impedance. B. low output impedance. C. high input impedance. D. input and.
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11. The common-base amplifier also called a grounded-base amplifier. 12. The
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36. The intent of emitter-feedback bias to A. reduce the source

36. The intent of emitter-feedback bias is to A. reduce the source voltage. B. swamp out the variations in current gain. C. swamp out the base current. D. increase current gain. 37. Collector-feedback bias is also called A. collector-follower bias. B. emitter-feedback bias. C. voltage-divider bias. D. self-bias. 38. Collector-feedback bias is more effective than emitter-feedback bias and is used.
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36. The intent of emitter-feedback bias to A. reduce the source
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21. In any amplifier, maximum power transfer occurs when the A.

21. In any amplifier, maximum power transfer occurs when the A. load impedance is much higher than the source impedance. B. load impedance is much lower than the source impedance. C. load impedance is made equal to the source impedance. D. load impedance is infinite and source impedance is zero. 22. When an emitter follower.
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21. In any amplifier, maximum power transfer occurs when the A.
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2. In an npn transistor, the emitter and collector both

2. In an npn transistor, the emitter and collector are both n-type materials. 3. The emitter of a bipolar junction transistor is lightly doped and the base is heavily doped. 4.An unbiased transistor is like two back-to-back diodes. 5. The emitter current in a bipolar junction transistor is equal to the sum of.
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2. In an npn transistor, the emitter and collector both
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2. A coupling capacitor couples an ac signal into an

2. A coupling capacitor couples an ac signal into an amplifier without disturbing its operating point. 3.Coupling capacitors can be approximated as dc shorts. 4.If there is any ac voltage at an amplifier's bypass emitter, it means that the A. transistor is shorted. B. transistor is open. C. coupling capacitor is open. D. bypass capacitor is.
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2. A coupling capacitor couples an ac signal into an
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6. A bypass capacitor similar to a coupling capacitor because

6. A bypass capacitor is similar to a coupling capacitor because it appears open to dc and shorted to ac. 7.Voltage gain is ac output voltage divided by the ac input voltage. 8. Discrete means all components like resistors, capacitors, and transistors are created and connected on a chip, a piece of.
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6. A bypass capacitor similar to a coupling capacitor because
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6. The zener diode data sheet rating, maximum current the

6. The zener diode data sheet rating, maximum current is the highest amount of current a zener diode can handle without exceeding its power rating. 7. A shorted component is equivalent to a resistance of zero, and an open component is equivalent to a resistance of infinity. 8.Optoelectronics is the technology that.
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6. The zener diode data sheet rating, maximum current the
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A. oscillation B. amplification C. distortion D. extortion 32. Distortion undesirable in high-fidelity amplifiers

A. oscillation B. amplification C. distortion D. extortion 32. Distortion is undesirable in high-fidelity amplifiers because A. it changes the sound of voice and music. B. it amplifies the sound of voice and music. C. it trips a circuit breaker. D. it cannot be heard in either speaker. 33. What is one way to minimize distortion? A. use batteries only B..
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A. oscillation B. amplification C. distortion D. extortion 32. Distortion undesirable in high-fidelity amplifiers
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6. A well-designed voltage-divider bias circuit one in which the

6. A well-designed voltage-divider bias circuit is one in which the voltage divider appears stiff to the input resistance of the base. 7.With the switch in the position as shown in Figure 7-4 (a), the LED is on. 8. A firm voltage divider means that the collector current will be approximately 10.
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6. A well-designed voltage-divider bias circuit one in which the
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12. It standard practice to use capital letters and subscripts

12. It is standard practice to use capital letters and subscripts for dc quantities. 13. The ac resistance of the emitter diode equals the ac base-emitter voltage divided by the ac emitter current. 14. The ac equivalent circuit model called the Ebers-Moll looks like a P on its side and is sometimes.
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12. It standard practice to use capital letters and subscripts
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36.What kind of diode has a metal such as gold

36.What kind of diode has a metal such as gold or silver on one side of the junction and doped silicon on the other side? A.tunnel B.small-signal C. Schottky D. Zener 37. The Schottky diode has A. a large depletion layer. B. no depletion layer. C.a high reverse recovery time. D.no junction. 38. The Schottky diode is sometimes called a A.silicon.
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36.What kind of diode has a metal such as gold
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2. In a common-collector amplifier, the emitter always connected to

2. In a common-collector amplifier, the emitter is always connected to ground. 3. One of the advantages of an emitter follower is its high output impedance. 4. It is very difficult to get a small output impedance with a common-collector amplifier. 5. An emitter follower can act as a buffer between the high.
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2. In a common-collector amplifier, the emitter always connected to
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21. While troubleshooting the circuit shown in Figure 7-26, the

21. While troubleshooting the circuit shown in Figure 7-26, the base voltage measures 1.8 V and the collector voltage measures 10 V, what should the technician do? A. replace the transistor B. replace RE C. check R1 D. check voltage source and leads 22. What type transistor is used when the electronics equipment has a.
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21. While troubleshooting the circuit shown in Figure 7-26, the
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26. What type transistor connection shown in Figure 6-7 (a)? A.

26. What type transistor connection is shown in Figure 6-7 (a)? A. common emitter B. common collector C. common base D. emitter follower 27. What is the source of bias for the transistor's emitter diode shown in Figure 6-7 (a)? A. VCC B. VBB C. VCE D. RC 28. What is the purpose of RB in the circuit shown in.
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26. What type transistor connection shown in Figure 6-7 (a)? A.
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41. With a varactor diode, the more it reversed bias,

41. With a varactor diode, the more it is reversed bias, its capacitance A. decreases. B.increases. C.remains the same. D.increases to 27 µF. 42. A varactor is often connected in parallel with an inductor to form a A.bridge rectifier. B.tunnel oscillator. C. parallel resonant circuit. D. parallelogram. 43. The capacitance exhibited by a varactor diode is controlled by ________. A. voltage B.current C.parallel.
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41. With a varactor diode, the more it reversed bias,
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26. A well-designed voltage-divider bias circuit one in which the

26. A well-designed voltage-divider bias circuit is one in which the voltage divider appears A. stiff to the input resistance of the base. B. soft to the input resistance of the base. C. stiff to the output resistance of the collector. D. stiff to the input resistance of the emitter. 27. Using a firm voltage.
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26. A well-designed voltage-divider bias circuit one in which the
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26. Examples of optoelectronic devices do not include ________. A. LEDs B.

26. Examples of optoelectronic devices do not include ________. A. LEDs B. FETs C.photodiodes D.optocouplers 27. Which of the following is not an advantage of a light-emitting diode (LED)? A.low voltage B.long life C.fast on-off switching D. cost 28. LEDs have breakdown voltages that typically range from A. 3 to 5 V. B.1 to 2 V. C.6 to 10 V. D.10 to 15 V. 29..
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26. Examples of optoelectronic devices do not include ________. A. LEDs B.
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46. When working with h parameter analysis, the symbol for

46. When working with h parameter analysis, the symbol for current gain is ________. A. bDC B. hFE C. aFED. D. D 47. What type of transistor is usually found in a simple three-terminal, gull-wing package? A. chassis mount B. printed-circuit C. surface-mount D. power 48. What is the surface-mount package called that resembles the dual-inline package and houses multiple.
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46. When working with h parameter analysis, the symbol for
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31. The biasing configuration shown in Figure 7-18 derived from

31. The biasing configuration shown in Figure 7-18 is derived from emitter bias and is referred to as A. emitter derived bias (EDB). B. bi-polar emitter bias (BPEB). C. two-supply emitter bias (TSEB). D. one-supply emitter bias (OSEB). 32. By exposing a transistor's collector junction to light, a manufacturer can produce A. an LED. B. a seven-segment.
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31. The biasing configuration shown in Figure 7-18 derived from
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46. A multistage amplifier can be created by cascading two

46. A multistage amplifier can be created by cascading two or more filter circuits. 47. What is a multistage amplifier? A. a single stage amplifier B. a single stage attenuator C. two or more attenuators cascaded D. two or more amplifiers cascaded 48. If two or more amplifiers are connected to form a multistage amplifier A. gain.
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46. A multistage amplifier can be created by cascading two
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6. A Darlington connection a connection of two transistors whose

6. A Darlington connection is a connection of two transistors whose overall current gain equals the sum of the individual gains. 7. A complementary Darlington is a connection of npn and pnp transistors. 8. Used with a zener diode, an emitter follower can produce regulated output voltages with much larger currents. 9. A.
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6. A Darlington connection a connection of two transistors whose
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16. The zener diode the backbone of A. constant current sources. B.

16. The zener diode is the backbone of A. constant current sources. B. passive filters. C. voltage regulators. D. oscillator circuits. 17. What type of bias is required for normal operation of a zener diode? A. reverse B. forward C. positive D. negative 18. What is the circuit shown in Figure 5-2 (a)? A. RZ filter B. zener regulator C. voltage doubler D. half-wave.
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16. The zener diode the backbone of A. constant current sources. B.
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36. The reason a common-collector amplifier called an emitter follower

36. The reason a common-collector amplifier is called an emitter follower is because A. the output voltage follows the input voltage. B. the output voltage is taken from the collector. C. the emitter is grounded. D. the output voltage is out of phase with the input. 37. What is the base voltage for the circuit.
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36. The reason a common-collector amplifier called an emitter follower
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