Question 1

When a circuit is not operating as it should,troubleshooting generally begins by

Accepted Answer

A)  removing solid-state components. 
B)  measuring resistances. 
C)  measuring voltages. 
D)  measuring currents. 
A)  removing solid-state components. 
B)  measuring resistances. 
C)  measuring voltages. 
D)  measuring currents.

Question 2

The positive resistance of tunnel diodes is useful in oscillator circuits.

Accepted Answer

A) True 
 B)False

Question 3

The basic idea of voltage regulation is that the output voltage remains the same

Accepted Answer

A)  with virtually no change of input voltage. 
B)  with considerable changes of input voltage. 
C)  when power is turned off. 
D)  even if a passive filter is used. 
A)  with virtually no change of input voltage. 
B)  with considerable changes of input voltage. 
C)  when power is turned off. 
D)  even if a passive filter is used.

Question 4

A varactor is often connected in parallel with an inductor to form a

Accepted Answer

A)  bridge rectifier. 
B)  tunnel oscillator. 
C)  parallel resonant circuit. 
D)  parallelogram. 
A)  bridge rectifier. 
B)  tunnel oscillator. 
C)  parallel resonant circuit. 
D)  parallelogram.

Question 5

The time it takes to turn off a forward-biased diode is called the

Accepted Answer

A)  time constant. 
B)  reverse recovery time. 
C)   turn-off time. 
D)  forward off-time. 
A)  time constant. 
B)  reverse recovery time. 
C)   turn-off time. 
D)  forward off-time.

Question 6

What is the purpose of RS in Figure 5-2 (a)?

Accepted Answer

A)  slow-blow fuse 
B)  limit resistance 
C)  limit current 
D)  step up voltage 
A)  slow-blow fuse 
B)  limit resistance 
C)  limit current 
D)  step up voltage

Question 7

A diode that conducts better in the reverse than in the forward direction is a(n)

Accepted Answer

A)  back diode. 
B)  optoisolator. 
C)  rectifier diode. 
D)  step-recovery diode. 
A)  back diode. 
B)  optoisolator. 
C)  rectifier diode. 
D)  step-recovery diode.

Question 8

What is the purpose of V130LA2?

Accepted Answer

A)  clip spikes 
B)  spike clips 
C)  pre-rectifier 
D)  voltage doubler 
A)  clip spikes 
B)  spike clips 
C)  pre-rectifier 
D)  voltage doubler

Question 9

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?

Accepted Answer

A)  tunnel 
B)  small-signal 
C)  Schottky 
D)  Zener 
A)  tunnel 
B)  small-signal 
C)  Schottky 
D)  Zener

Question 10

What is the output across RL?

Accepted Answer

A)  ac 
B)  120 Vdc 
C)  pulsating filtered dc 
D)  zero 
A)  ac 
B)  120 Vdc 
C)  pulsating filtered dc 
D)  zero

When a circuit is not operating as it should,troubleshooting generally begins by

The positive resistance of tunnel diodes is useful in oscillator circuits.

The basic idea of voltage regulation is that the output voltage remains the same

A varactor is often connected in parallel with an inductor to form a

The time it takes to turn off a forward-biased diode is called the

What is the purpose of R_S in Figure 5-2 (a)?

A diode that conducts better in the reverse than in the forward direction is a(n)

What is the purpose of V130LA2?

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?

What is the output across R_L?

Introduction

Semoconductors

Diode Theory Key

Diode Circuits

BJT Fumdamentals

BJT Biasing

Basic BJT Amplifiers

Multistage,CC,and CB Amplifiers

Power Amplifiers

JFETS

Mosfets

Thyristors

Frequency Effects

Differential Amplifiers

Operational Amplifiers

Negative Feedback

Linear OP AMP Circuits

Active Filters Key

Nonlinear Op-Amp Circuit Applications Key

Oscillators Key

Regulated Power Supplies Key

Filters

Exam 5: Special-Purpose Diodes Key

When a circuit is not operating as it should,troubleshooting generally begins by

The positive resistance of tunnel diodes is useful in oscillator circuits.

The basic idea of voltage regulation is that the output voltage remains the same

A varactor is often connected in parallel with an inductor to form a

The time it takes to turn off a forward-biased diode is called the

What is the purpose of RS in Figure 5-2 (a)?

A diode that conducts better in the reverse than in the forward direction is a(n)

What is the purpose of V130LA2?

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?

What is the output across RL?

Introduction

Semoconductors

Diode Theory Key

Diode Circuits

BJT Fumdamentals

BJT Biasing

Basic BJT Amplifiers

Multistage,CC,and CB Amplifiers

Power Amplifiers

JFETS

Mosfets

Thyristors

Frequency Effects

Differential Amplifiers

Operational Amplifiers

Negative Feedback

Linear OP AMP Circuits

Active Filters Key

Nonlinear Op-Amp Circuit Applications Key

Oscillators Key

Regulated Power Supplies Key

Filters

What is the purpose of R_S in Figure 5-2 (a)?

What is the output across R_L?