Question 1

VMOS is a special-purpose type of

Accepted Answer

A)  D-MOSFET. 
B)  E-MOSFET. 
C)  JFET. 
D)  BJT. 
A)  D-MOSFET. 
B)  E-MOSFET. 
C)  JFET. 
D)  BJT. B

Question 2

To protect MOSFETs from static electricity, you should store them in conductive foam.

Accepted Answer

A) True 
 B)False  True

Question 3

-The symbol labeled A is an .

Accepted Answer

A)  E-MOSFET 
B)  JFET 
C)  D-MOSFET 
D)  None of the above. 
A)  E-MOSFET 
B)  JFET 
C)  D-MOSFET 
D)  None of the above. B

Question 4

-The MOSFET in Figure  has the following specifications: IDon) = 10 mA @ VGSon) = 10 V and VGSTh) = 2 V. Determine the value of ID for this circuit.

Accepted Answer

A)  2.5 mA 
B)  3mA 
C)  5 mA 
D)  10 mA 
A)  2.5 mA 
B)  3mA 
C)  5 mA 
D)  10 mA

Question 5

bias may be used with D-MOSFETs but not with JFETs.

Accepted Answer

A)  Source 
B)  Zero 
C)  Drain-feedback 
D)  Current-source 
A)  Source 
B)  Zero 
C)  Drain-feedback 
D)  Current-source

Question 6

-The MOSFET in Figure  has the following specifications: IDon) = 10 mA @ VGSon) = 10 V and VGSTh) = 2 V. Determine the value of VDS for this circuit.

Accepted Answer

A)  2 V 
B)  4.5 V 
C)  7.5 V 
D)  12 V 
A)  2 V 
B)  4.5 V 
C)  7.5 V 
D)  12 V

Question 7

-The MOSFET in Figure  has the following specifications: IDon) = 10 mA @ VGSon) = 10 V and VGSTh) = 2 V. Determine the minimum value of k for this circuit.

Accepted Answer

A)  1.56 
B)  1.56 × 10-4 
C)  0.001 
D)  1.25 × 10-3 
A)  1.56 
B)  1.56 × 10-4 
C)  0.001 
D)  1.25 × 10-3

Question 8

An E-MOSFET has values of VGSth) = 4 V and IDon) = 12 mA @ VGS = 10 V. The device is being used in a circuit that has a value of VGS = 6 V. What is the value of ID for the circuit?

Accepted Answer

A)  13.33 mA 
B)  1 mA 
C)  1.33 mA 
D)  0 mA 
A)  13.33 mA 
B)  1 mA 
C)  1.33 mA 
D)  0 mA

Question 9

A D-MOSFET has values of IDSS = 10 mA and VGSoff) = -6V. What is the value of ID when VGS = 0 V?

Accepted Answer

A)  0 mA 
B)  5 mA 
C)  10 mA 
D)  Cannot be determined from the information given. 
A)  0 mA 
B)  5 mA 
C)  10 mA 
D)  Cannot be determined from the information given.

Question 10

-The symbol labeled C is an .

Accepted Answer

A)  E-MOSFET 
B)  JFET 
C)  D-MOSFET 
D)  None of the above. 
A)  E-MOSFET 
B)  JFET 
C)  D-MOSFET 
D)  None of the above.

Question 11

One advantage that CMOS has over TTL is the fact that

Accepted Answer

A)  CMOS circuits have better power dissipation ratings. 
B)  CMOS circuits have a lower packing density than TTL. 
C)  CMOS circuits can be used with positive supply voltages. 
D)  CMOS circuits are cheaper than TTL circuits. 
A)  CMOS circuits have better power dissipation ratings. 
B)  CMOS circuits have a lower packing density than TTL. 
C)  CMOS circuits can be used with positive supply voltages. 
D)  CMOS circuits are cheaper than TTL circuits.

Question 12

-The symbol labeled B is an .

Accepted Answer

A)  E-MOSFET 
B)  JFET 
C)  D-MOSFET 
D)  None of the above. 
A)  E-MOSFET 
B)  JFET 
C)  D-MOSFET 
D)  None of the above.

Question 13

MOSFETs typically have input impedance than JFETs.

Accepted Answer

A)  higher 
B)  lower 
C)  similar 
A)  higher 
B)  lower 
C)  similar

Question 14

The E-MOSFET can operate in

Accepted Answer

A)  the depletion mode only. 
B)  the enhancement mode only. 
C)  the depletion mode and the enhancement mode. 
A)  the depletion mode only. 
B)  the enhancement mode only. 
C)  the depletion mode and the enhancement mode.

Question 15

A CMOS inverter has a +10 V supply and an input that varies between 0 V and +10 V. What is the circuit output when the input to the circuit is +10 V?

Accepted Answer

A)  -10 V. 
B)  0 V. 
C)  +10 V. 
D)  Cannot be determined with the information given. 
A)  -10 V. 
B)  0 V. 
C)  +10 V. 
D)  Cannot be determined with the information given.

Question 16

Which of the following devices would normally have the highest current-handling capability?

Accepted Answer

A)  E-MOSFETs 
B)  D-MOSFETs 
C)  LDMOS 
D)  Dual-gate MOSFETs 
A)  E-MOSFETs 
B)  D-MOSFETs 
C)  LDMOS 
D)  Dual-gate MOSFETs

Question 17

Which of the following is true for a D-MOSFET that is being operated in the depletion mode?

Accepted Answer

A) ID > IDSS B) ID < IDSS C) ID = IDSS A) ID > IDSS B) ID < IDSS C) ID = IDSS

Question 18

-The circuit in Figure is an amplifier.

Accepted Answer

A)  Voltage-divider biased common-emitter 
B)  Voltage-divider biased common-drain 
C)  Voltage-divider biased common-source 
D)  Drain-feedback biased common-source 
A)  Voltage-divider biased common-emitter 
B)  Voltage-divider biased common-drain 
C)  Voltage-divider biased common-source 
D)  Drain-feedback biased common-source

Question 19

The operation of standard MOSFETs is limited at high frequencies because of

Accepted Answer

A)  low maximum values of ID. 
B)  high maximum values of ID. 
C)  high gate-to-channel capacitance. 
D)  low gate-to-channel capacitance. 
A)  low maximum values of ID. 
B)  high maximum values of ID. 
C)  high gate-to-channel capacitance. 
D)  low gate-to-channel capacitance.

Question 20

Many MOSFET devices now contain internal that protect them from static electricity.

Accepted Answer

A)  BJTs 
B)  zener diodes 
C)  pn junction diodes 
D)  capacitors 
A)  BJTs 
B)  zener diodes 
C)  pn junction diodes 
D)  capacitors

Exam 13: Mosfets

VMOS is a special-purpose type of

To protect MOSFETs from static electricity, you should store them in conductive foam.

-The symbol labeled A is an .

-The MOSFET in Figure has the following specifications: IDon) = 10 mA @ VGSon) = 10 V and VGSTh) = 2 V. Determine the value of ID for this circuit.

bias may be used with D-MOSFETs but not with JFETs.

-The MOSFET in Figure has the following specifications: IDon) = 10 mA @ VGSon) = 10 V and VGSTh) = 2 V. Determine the value of VDS for this circuit.

-The MOSFET in Figure has the following specifications: IDon) = 10 mA @ VGSon) = 10 V and VGSTh) = 2 V. Determine the minimum value of k for this circuit.

An E-MOSFET has values of VGSth) = 4 V and IDon) = 12 mA @ VGS = 10 V. The device is being used in a circuit that has a value of VGS = 6 V. What is the value of ID for the circuit?

A D-MOSFET has values of IDSS = 10 mA and VGSoff) = -6V. What is the value of ID when VGS = 0 V?

-The symbol labeled C is an .

One advantage that CMOS has over TTL is the fact that

-The symbol labeled B is an .

MOSFETs typically have input impedance than JFETs.

The E-MOSFET can operate in

A CMOS inverter has a +10 V supply and an input that varies between 0 V and +10 V. What is the circuit output when the input to the circuit is +10 V?

Which of the following devices would normally have the highest current-handling capability?

Which of the following is true for a D-MOSFET that is being operated in the depletion mode?

-The circuit in Figure is an amplifier.

The operation of standard MOSFETs is limited at high frequencies because of

Many MOSFET devices now contain internal that protect them from static electricity.

Fundamental Solid-State Principles

Diodes

Common Diode Applications: Basic Power Supply Circuits

Common Diode Applications: Clippers, Clampers, Voltage Multipliers, and Displays

Special Applications Diodes

Bipolar Junction Transistors

DC Biasing Circuits

Introduction to Amplifiers

Common-Emitter Amplifiers

Other BJT Amplifiers

Power Amplifiers

Field-Effect Transistors

Amplifier Frequency Response

Operational Amplifiers

Additional Op-Amp Applications

Tuned Amplifiers

Oscillators

Solid-State Switching Circuits

Thyristors and Optoelectronics Devices

Discrete and Integrated Voltage Regulators

Filters