Question 1

Another name for a diode limiter circuit is

Accepted Answer

A) clipper 
B) clamper 
C) dc restorer 
D) rectifier 
A) clipper 
B) clamper 
C) dc restorer 
D) rectifier A

Question 2

A silicon diode measures a very high value of resistance in one direction and very low resistance in the other. This indicates the diode is probably

Accepted Answer

A) good 
B) open 
C) shorted 
A) good 
B) open 
C) shorted A

Question 3

When a diode is forward- biased, the depletion region narrows.

Accepted Answer

A) True 
 B)False  True

Question 4

To forward bias a diode, the n- region is connected to the positive side of a voltage source.

Accepted Answer

A) True 
 B)False

Question 5

Figure 8
-The maximum output voltage for the circuit in Figure 8 is approximately (Assume an ideal diode.)

Accepted Answer

A) Vp(in) 
B) 2Vp(in) 
C) -Vp(in) 
D) 0 V 
A) Vp(in) 
B) 2Vp(in) 
C) -Vp(in) 
D) 0 V

Question 6

Figure 8
-The circuit in Figure 8 is a

Accepted Answer

A) negative clipping circuit 
B) negative clamping circuit 
C) positive clipping circuit 
D) positive clamping circuit 
A) negative clipping circuit 
B) negative clamping circuit 
C) positive clipping circuit 
D) positive clamping circuit

Question 7

Figure 3
-For the circuit in Figure 3, assume a diode opens. As a result, the peak output voltage will be

Accepted Answer

A) larger 
B) zero 
C) approximately the same 
D) halved 
A) larger 
B) zero 
C) approximately the same 
D) halved

Question 8

Figure 5
-Refer to the circuit in Figure 5. The purpose of Rsurge is to

Accepted Answer

A) prevent load current from exceeding safe limits 
B) prevent overheating the transformer 
C) prevent an inrush of current that could damage diodes 
D) all of the above 
A) prevent load current from exceeding safe limits 
B) prevent overheating the transformer 
C) prevent an inrush of current that could damage diodes 
D) all of the above

Question 9

Dynamic resistance is the same as linear resistance.

Accepted Answer

A) True 
 B)False

Question 10

Figure 5
-Refer to the circuit in Figure 5. The current in the load resistor is approximately

Accepted Answer

A) 10 mA 
B) 5 mA 
C) 15 mA 
D) 2.5 mA 
A) 10 mA 
B) 5 mA 
C) 15 mA 
D) 2.5 mA

Question 11

Figure 2
-Refer to Figure 2. The circuit that will produce a positive output is

Accepted Answer

A) (a) 
B) (b) 
C) (c) 
D) (d) 
A) (a) 
B) (b) 
C) (c) 
D) (d)

Question 12

C:\User   Figure 7
For questions 34, 35, and 36, assume ideal diodes
-Which circuit in Figure 6 will produce the waveform in Figure 7(b)?

Accepted Answer

A) (a) 
B) (b) 
C) (c) 
D) (d) 
A) (a) 
B) (b) 
C) (c) 
D) (d)

Question 13

The component(s)immediately preceding the voltage regulation stage in a power supply is

Accepted Answer

A) a filter capacitor 
B) the fuse 
C) the transformer 
D) the diodes 
A) a filter capacitor 
B) the fuse 
C) the transformer 
D) the diodes

Question 14

Reverse current in a diode increases if

Accepted Answer

A) voltage increases 
B) temperature increases 
C) both A and B 
D) none of the above 
A) voltage increases 
B) temperature increases 
C) both A and B 
D) none of the above

Question 15

Figure 3
-For the circuit in Figure 3, assume practical diodes. The peak output voltage across the load is

Accepted Answer

A) 16.3 V 
B) 17.7 V 
C) 7.8 V 
D) 9.2 V 
A) 16.3 V 
B) 17.7 V 
C) 7.8 V 
D) 9.2 V

Question 16

Figure 5
-Refer to the circuit in Figure 5. The rms primary current is approximately

Accepted Answer

A) 5.0 mA 
B) 500 mA 
C) 50 mA 
D) 0.5 mA 
A) 5.0 mA 
B) 500 mA 
C) 50 mA 
D) 0.5 mA

Question 17

The anode of a diode is usually marked by a band, a tab, or some other feature.

Accepted Answer

A) True 
 B)False

Question 18

An ideal diode is considered to have a small forward voltage drop across the junction.

Accepted Answer

A) True 
 B)False

Question 19

To convert the rms value of a sine wave to a peak value,

Accepted Answer

A) multiply the rms value by 0.637 
B) divide the rms value by 0.707 
C) multiply the rms value by 0.707 
D) divide the rms value by 0.637 
A) multiply the rms value by 0.637 
B) divide the rms value by 0.707 
C) multiply the rms value by 0.707 
D) divide the rms value by 0.637

Question 20

The VRRM specification on a manufacturer's data sheet is the same as the

Accepted Answer

A) forward voltage at maximum power 
B) reverse breakdown voltage 
C) forward voltage with 1 A of current 
D) PIV 
A) forward voltage at maximum power 
B) reverse breakdown voltage 
C) forward voltage with 1 A of current 
D) PIV

Another name for a diode limiter circuit is

A silicon diode measures a very high value of resistance in one direction and very low resistance in the other. This indicates the diode is probably

When a diode is forward- biased, the depletion region narrows.

To forward bias a diode, the n- region is connected to the positive side of a voltage source.

Figure 8 -The maximum output voltage for the circuit in Figure 8 is approximately (Assume an ideal diode.)

Figure 8 -The circuit in Figure 8 is a

Figure 3 -For the circuit in Figure 3, assume a diode opens. As a result, the peak output voltage will be

Figure 5 -Refer to the circuit in Figure 5. The purpose of Rsurge is to

Dynamic resistance is the same as linear resistance.

Figure 5 -Refer to the circuit in Figure 5. The current in the load resistor is approximately

Figure 2 -Refer to Figure 2. The circuit that will produce a positive output is

C:\User $C:\User Figure 7 For questions 34, 35, and 36, assume ideal diodes -Which circuit in Figure 6 will produce the waveform in Figure 7(b)?$ Figure 7 For questions 34, 35, and 36, assume ideal diodes -Which circuit in Figure 6 will produce the waveform in Figure 7(b)?

The component(s)immediately preceding the voltage regulation stage in a power supply is

Reverse current in a diode increases if

Figure 3 -For the circuit in Figure 3, assume practical diodes. The peak output voltage across the load is

Figure 5 -Refer to the circuit in Figure 5. The rms primary current is approximately

The anode of a diode is usually marked by a band, a tab, or some other feature.

An ideal diode is considered to have a small forward voltage drop across the junction.

To convert the rms value of a sine wave to a peak value,

The VRRM specification on a manufacturer's data sheet is the same as the

Introduction to Semiconductors

Special-Purpose Diodes

Bipolar Junction Transistors

Transistor Bias Circuits

BJT Amplifiers

BJT Power Amplifiers

Field-Effect Transistors Fets

Fet Amplifiers and Switching Circuits

Amplifier Frequency Response

Thyristors

The Operational Amplifier

Basic Op-Amp Circuits

Special-Purpose Integrated Circuits

Active Filters

Oscillators

Voltage Regulators

Communication Devices and Methods

Filters

Exam 2: Diodes and Applications

Another name for a diode limiter circuit is

A silicon diode measures a very high value of resistance in one direction and very low resistance in the other. This indicates the diode is probably

When a diode is forward- biased, the depletion region narrows.

To forward bias a diode, the n- region is connected to the positive side of a voltage source.

Figure 8 -The maximum output voltage for the circuit in Figure 8 is approximately (Assume an ideal diode.)

Figure 8 -The circuit in Figure 8 is a

Figure 3 -For the circuit in Figure 3, assume a diode opens. As a result, the peak output voltage will be

Figure 5 -Refer to the circuit in Figure 5. The purpose of Rsurge is to

Dynamic resistance is the same as linear resistance.

Figure 5 -Refer to the circuit in Figure 5. The current in the load resistor is approximately

Figure 2 -Refer to Figure 2. The circuit that will produce a positive output is

C:\User Figure 7 For questions 34, 35, and 36, assume ideal diodes -Which circuit in Figure 6 will produce the waveform in Figure 7(b)?

The component(s)immediately preceding the voltage regulation stage in a power supply is

Reverse current in a diode increases if

Figure 3 -For the circuit in Figure 3, assume practical diodes. The peak output voltage across the load is

Figure 5 -Refer to the circuit in Figure 5. The rms primary current is approximately

The anode of a diode is usually marked by a band, a tab, or some other feature.

An ideal diode is considered to have a small forward voltage drop across the junction.

To convert the rms value of a sine wave to a peak value,

The VRRM specification on a manufacturer's data sheet is the same as the

Introduction to Semiconductors

Special-Purpose Diodes

Bipolar Junction Transistors

Transistor Bias Circuits

BJT Amplifiers

BJT Power Amplifiers

Field-Effect Transistors Fets

Fet Amplifiers and Switching Circuits

Amplifier Frequency Response

Thyristors

The Operational Amplifier

Basic Op-Amp Circuits

Special-Purpose Integrated Circuits

Active Filters

Oscillators

Voltage Regulators

Communication Devices and Methods

Filters

C:\User $C:\User Figure 7 For questions 34, 35, and 36, assume ideal diodes -Which circuit in Figure 6 will produce the waveform in Figure 7(b)?$ Figure 7 For questions 34, 35, and 36, assume ideal diodes -Which circuit in Figure 6 will produce the waveform in Figure 7(b)?