Question 1

Power dissipation of an op amp increases with increasing temperature.

Accepted Answer

A) True 
 B)False

Question 2

The slew rate of an op amp is usually expressed in db per microsecond.

Accepted Answer

A) True 
 B)False

Question 3

The common -mode rejection of an op amp is expressed in decibels.

Accepted Answer

A) True 
 B)False

Question 4

Semiconductors are manufactured using a combination of silicon and germanium crystals.

Accepted Answer

A) True 
 B)False

Question 5

What type of diode(s) would typically be proposed to be used as a switch?

Accepted Answer

A)  signal diode 
B)  light emitting diode 
C)  zener diode 
D)  rectifier diode 
E)  A and C 
A)  signal diode 
B)  light emitting diode 
C)  zener diode 
D)  rectifier diode 
E)  A and C

Question 6

When a potentiometers is connected between the null inputs of an op amp, the input offset voltage can be partially eliminated by adjusting the potentiometers.

Accepted Answer

A) True 
 B)False

Question 7

In a JFET that is reversed biased, the depletion region around the PN junction gets smaller.

Accepted Answer

A) True 
 B)False

Question 8

If the transistor in a two resistor bias circuit was substituted with a transistor having a lower gain, the bias point would move to a higher base current curve.

Accepted Answer

A) True 
 B)False

Question 9

A change in frequency from 100 radians per second (rps) to 1000 rps causes a minus 10 db change in gain.

Accepted Answer

A) True 
 B)False

Question 10

In the fabrication of semiconductors, the material used is a

Accepted Answer

A)  gaseous matter. 
B)  single crystal. 
C)  transistor substrate. 
D)  layer of crystals. 
E)  liquid crystal. 
A)  gaseous matter. 
B)  single crystal. 
C)  transistor substrate. 
D)  layer of crystals. 
E)  liquid crystal.

Question 11

-This circuit depicts

Accepted Answer

A)  a differentiator. 
B)  a first order high pass filter. 
C)  a first order low pass filter. 
D)  an integrator. 
A)  a differentiator. 
B)  a first order high pass filter. 
C)  a first order low pass filter. 
D)  an integrator.

Question 12

The advantage of an op amp used as a comparator over a linear IC comparator is that the op amp comparator functions as a switch and provides a linear relationship between the input and output.

Accepted Answer

A) True 
 B)False

Question 13

A CMOS circuit has almost no static power dissipation.

Accepted Answer

A) True 
 B)False

Question 14

The doping level in semiconductors relates to the

Accepted Answer

A)  amount of impurities. 
B)  amount of P -type material. 
C)  size of the crystal structure. 
D)  amount of N -type material. 
A)  amount of impurities. 
B)  amount of P -type material. 
C)  size of the crystal structure. 
D)  amount of N -type material.

Question 15

Common mode rejection is the ability of an op amp to reject

Accepted Answer

A)  signals that are generated due to input offset voltage. 
B)  the effect of crosstalk. 
C)  the effect of unwanted signals from adjacent op amps. 
D)  signals that are simultaneously present at both inputs. 
A)  signals that are generated due to input offset voltage. 
B)  the effect of crosstalk. 
C)  the effect of unwanted signals from adjacent op amps. 
D)  signals that are simultaneously present at both inputs.

Question 16

The formula for the turn -on time of a transistor switching from cutoff to saturation is

Accepted Answer

A)  rise time plus delay time plus storage time. 
B)  rise time plus hold time plus delay time. 
C)  rise time plus storage time. 
D)  rise time plus delay time. 
E)  none of the above 
A)  rise time plus delay time plus storage time. 
B)  rise time plus hold time plus delay time. 
C)  rise time plus storage time. 
D)  rise time plus delay time. 
E)  none of the above

Question 17

A low pass filter removes frequencies lower than the cutoff frequency.

Accepted Answer

A) True 
 B)False

Question 18

An op amp integrator is designed

Accepted Answer

A)  with an op amp in the non -inverting configuration. 
B)  for detection of the transition of input pulses. 
C)  with a capacitor in the input circuit. 
D)  for an output that is proportional to the rate of change of the input. 
E)  none of the above 
A)  with an op amp in the non -inverting configuration. 
B)  for detection of the transition of input pulses. 
C)  with a capacitor in the input circuit. 
D)  for an output that is proportional to the rate of change of the input. 
E)  none of the above

Question 19

The saturation voltage of the transistor is slightly higher than zero volts due to variations in the base -emitter voltage and the collector -base voltage.

Accepted Answer

A) True 
 B)False

Question 20

The coupling capacitor in CDA circuits is important because if its value is

Accepted Answer

A)  too large the circuit gain will be increased. 
B)  too small the circuit gain will be decreased. 
C)  too large the circuit gain will be decreased. 
D)  too small the circuit gain will be increased. 
A)  too large the circuit gain will be increased. 
B)  too small the circuit gain will be decreased. 
C)  too large the circuit gain will be decreased. 
D)  too small the circuit gain will be increased.

Power dissipation of an op amp increases with increasing temperature.

The slew rate of an op amp is usually expressed in db per microsecond.

The common -mode rejection of an op amp is expressed in decibels.

Semiconductors are manufactured using a combination of silicon and germanium crystals.

What type of diode(s) would typically be proposed to be used as a switch?

When a potentiometers is connected between the null inputs of an op amp, the input offset voltage can be partially eliminated by adjusting the potentiometers.

In a JFET that is reversed biased, the depletion region around the PN junction gets smaller.

If the transistor in a two resistor bias circuit was substituted with a transistor having a lower gain, the bias point would move to a higher base current curve.

A change in frequency from 100 radians per second (rps) to 1000 rps causes a minus 10 db change in gain.

In the fabrication of semiconductors, the material used is a

-This circuit depicts

The advantage of an op amp used as a comparator over a linear IC comparator is that the op amp comparator functions as a switch and provides a linear relationship between the input and output.

A CMOS circuit has almost no static power dissipation.

The doping level in semiconductors relates to the

Common mode rejection is the ability of an op amp to reject

The formula for the turn -on time of a transistor switching from cutoff to saturation is

A low pass filter removes frequencies lower than the cutoff frequency.

An op amp integrator is designed

The saturation voltage of the transistor is slightly higher than zero volts due to variations in the base -emitter voltage and the collector -base voltage.

The coupling capacitor in CDA circuits is important because if its value 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

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

Power dissipation of an op amp increases with increasing temperature.

The slew rate of an op amp is usually expressed in db per microsecond.

The common -mode rejection of an op amp is expressed in decibels.

Semiconductors are manufactured using a combination of silicon and germanium crystals.

What type of diode(s) would typically be proposed to be used as a switch?

When a potentiometers is connected between the null inputs of an op amp, the input offset voltage can be partially eliminated by adjusting the potentiometers.

In a JFET that is reversed biased, the depletion region around the PN junction gets smaller.

If the transistor in a two resistor bias circuit was substituted with a transistor having a lower gain, the bias point would move to a higher base current curve.

A change in frequency from 100 radians per second (rps) to 1000 rps causes a minus 10 db change in gain.

In the fabrication of semiconductors, the material used is a

-This circuit depicts

The advantage of an op amp used as a comparator over a linear IC comparator is that the op amp comparator functions as a switch and provides a linear relationship between the input and output.

A CMOS circuit has almost no static power dissipation.

The doping level in semiconductors relates to the

Common mode rejection is the ability of an op amp to reject

The formula for the turn -on time of a transistor switching from cutoff to saturation is

A low pass filter removes frequencies lower than the cutoff frequency.

An op amp integrator is designed

The saturation voltage of the transistor is slightly higher than zero volts due to variations in the base -emitter voltage and the collector -base voltage.

The coupling capacitor in CDA circuits is important because if its value 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