Question 1

The transistor inverter is typically not used in conjunction with a

Accepted Answer

A)  filter. 
B)  rectifier. 
C)  DC -to -DC converter. 
D)  digital -to -analog converter. 
E)  transformer. 
A)  filter. 
B)  rectifier. 
C)  DC -to -DC converter. 
D)  digital -to -analog converter. 
E)  transformer. D

Question 2

The closed loop gain of an inverting op amp is negative.

Accepted Answer

A) True 
 B)False  True

Question 3

Delay time is the most critical parameter when selecting a transistor to switch out of saturation at a high speed.

Accepted Answer

A) True 
 B)False  False

Question 4

In a simple half -wave rectifier circuit, a diode is installed in series with the AC input signal and is forward -biased and reversed -biased every half cycle of the AC signal.

Accepted Answer

A) True 
 B)False

Question 5

A second order low pass filter has a roll off of minus 40 db per decade.

Accepted Answer

A) True 
 B)False

Question 6

An inverter is a circuit that accepts an AC voltage and produces a DC voltage.

Accepted Answer

A) True 
 B)False

Question 7

A Norton amplifier responds to a differential current, but the output of the Norton amplifier and the conventional op amp is voltage.

Accepted Answer

A) True 
 B)False

Question 8

In a high pass filter, the pass band consists of frequencies below the cutoff frequency.

Accepted Answer

A) True 
 B)False

Question 9

Match the components with their function
  
-R2 and C2

Accepted Answer

A)  determines characteristics of the low pass filter 
B)  determines characteristics of the high pass filter 
C)  determines the gain 
D)  determines the filter type 
A)  determines characteristics of the low pass filter 
B)  determines characteristics of the high pass filter 
C)  determines the gain 
D)  determines the filter type

Question 10

The voltage follower is not used as a

Accepted Answer

A)  isolation amplifier. 
B)  comparator. 
C)  low pass filter. 
D)  unity gain amplifier. 
E)  non -inverting amplifier. 
A)  isolation amplifier. 
B)  comparator. 
C)  low pass filter. 
D)  unity gain amplifier. 
E)  non -inverting amplifier.

Question 11

For both PNP and NPN transistors, moving the base voltage toward the collector voltage supply turns the transistor on.

Accepted Answer

A) True 
 B)False

Question 12

The construction of solid state relays creates advantages over electromechnical relays that include

Accepted Answer

A)  faster operation. 
B)  no need for a socket. 
C)  no need for a heat sink. 
D)  impervious to electromagnetic interference. 
E)  less expensive. 
A)  faster operation. 
B)  no need for a socket. 
C)  no need for a heat sink. 
D)  impervious to electromagnetic interference. 
E)  less expensive.

Question 13

Match the input impedance with the device type
-Thousands of ohms

Accepted Answer

A)  MOSFET 
B)  BJT Darlington pair 
C)  Zener 
D)  LED 
E)  JFET 
A)  MOSFET 
B)  BJT Darlington pair 
C)  Zener 
D)  LED 
E)  JFET

Question 14

Push -pull converters use more than one switch as opposed to the buck -boost converter, which uses one switch.

Accepted Answer

A) True 
 B)False

Question 15

The term ICO is typically expressed in the milliampere range.

Accepted Answer

A) True 
 B)False

Question 16

With the drain connected to a positive voltage and the source grounded, the JFET is biased off when the gate is connected to ground.

Accepted Answer

A) True 
 B)False

Question 17

Common emitter means that the emitter of the transistor is connected either directly or through a resistor to a voltage that is typically ground but can be negative.

Accepted Answer

A) True 
 B)False

Question 18

Match the input impedance with the device type
-Thousands of Megohms

Accepted Answer

A)  MOSFET 
B)  BJT Darlington pair 
C)  Zener 
D)  LED 
E)  JFET 
A)  MOSFET 
B)  BJT Darlington pair 
C)  Zener 
D)  LED 
E)  JFET

Question 19

A band elimination filter eliminates all frequencies above and below the cutoff frequency.

Accepted Answer

A) True 
 B)False

Question 20

The voltage fed back from an op amp output to its input is

Accepted Answer

A)  in phase with the with the input. 
B)  a function of the open loop gain. 
C)  small compared to the input. 
D)  90 degrees out of phase with the input. 
E)  none of the above 
A)  in phase with the with the input. 
B)  a function of the open loop gain. 
C)  small compared to the input. 
D)  90 degrees out of phase with the input. 
E)  none of the above

The transistor inverter is typically not used in conjunction with a

The closed loop gain of an inverting op amp is negative.

Delay time is the most critical parameter when selecting a transistor to switch out of saturation at a high speed.

In a simple half -wave rectifier circuit, a diode is installed in series with the AC input signal and is forward -biased and reversed -biased every half cycle of the AC signal.

A second order low pass filter has a roll off of minus 40 db per decade.

An inverter is a circuit that accepts an AC voltage and produces a DC voltage.

A Norton amplifier responds to a differential current, but the output of the Norton amplifier and the conventional op amp is voltage.

In a high pass filter, the pass band consists of frequencies below the cutoff frequency.

Match the components with their function -R2 and C2

The voltage follower is not used as a

For both PNP and NPN transistors, moving the base voltage toward the collector voltage supply turns the transistor on.

The construction of solid state relays creates advantages over electromechnical relays that include

Match the input impedance with the device type -Thousands of ohms

Push -pull converters use more than one switch as opposed to the buck -boost converter, which uses one switch.

The term I_COis typically expressed in the milliampere range.

With the drain connected to a positive voltage and the source grounded, the JFET is biased off when the gate is connected to ground.

Common emitter means that the emitter of the transistor is connected either directly or through a resistor to a voltage that is typically ground but can be negative.

Match the input impedance with the device type -Thousands of Megohms

A band elimination filter eliminates all frequencies above and below the cutoff frequency.

The voltage fed back from an op amp output to its input is

Introduction to Industrial Control Systems, Discrete Control Input and Output Devices

SCRS, Triacs, Other Thryristors, Discrete Automation Sensors and Devices

Analog Processes Control Devices, Sensors and Safety

DC Motors, Control Circuits, AC Motors and Variable Speed Drives

Special Purpose Motor, Control Devices and Programmable Logic Controllers

Embedded Microcontrollers, Open and Closed Loop Process Control

Industrial Robots, Automation Systems and Data Communication Between Intelligent Machines

Filters

Exam 2: Solidstate Devices in Industrial Applications, Operational Amplifiers and Linear ICS

The transistor inverter is typically not used in conjunction with a

The closed loop gain of an inverting op amp is negative.

Delay time is the most critical parameter when selecting a transistor to switch out of saturation at a high speed.

In a simple half -wave rectifier circuit, a diode is installed in series with the AC input signal and is forward -biased and reversed -biased every half cycle of the AC signal.

A second order low pass filter has a roll off of minus 40 db per decade.

An inverter is a circuit that accepts an AC voltage and produces a DC voltage.

A Norton amplifier responds to a differential current, but the output of the Norton amplifier and the conventional op amp is voltage.

In a high pass filter, the pass band consists of frequencies below the cutoff frequency.

Match the components with their function -R2 and C2

The voltage follower is not used as a

For both PNP and NPN transistors, moving the base voltage toward the collector voltage supply turns the transistor on.

The construction of solid state relays creates advantages over electromechnical relays that include

Match the input impedance with the device type -Thousands of ohms

Push -pull converters use more than one switch as opposed to the buck -boost converter, which uses one switch.

The term ICO is typically expressed in the milliampere range.

With the drain connected to a positive voltage and the source grounded, the JFET is biased off when the gate is connected to ground.

Common emitter means that the emitter of the transistor is connected either directly or through a resistor to a voltage that is typically ground but can be negative.

Match the input impedance with the device type -Thousands of Megohms

A band elimination filter eliminates all frequencies above and below the cutoff frequency.

The voltage fed back from an op amp output to its input is

Introduction to Industrial Control Systems, Discrete Control Input and Output Devices

SCRS, Triacs, Other Thryristors, Discrete Automation Sensors and Devices

Analog Processes Control Devices, Sensors and Safety

DC Motors, Control Circuits, AC Motors and Variable Speed Drives

Special Purpose Motor, Control Devices and Programmable Logic Controllers

Embedded Microcontrollers, Open and Closed Loop Process Control

Industrial Robots, Automation Systems and Data Communication Between Intelligent Machines

Filters

The term I_COis typically expressed in the milliampere range.