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Transistors and Applications problems
1. The voltage measured from the collector to the emitter is the sum of the voltage base-emitter plus the voltage collector-base.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
2.
The maximum peak-to-peak output voltage in the given circuit is 15 V.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
3. If the drain, source, and channel of a MOSFET are all a
p
-type material, and it operates in both modes, this is an
n
-channel D-MOSFET.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
4. The power gain (
A
p
) of any transistor amplifier circuit equals the ___________.
Options
A. current gain squared
B. current gain times the voltage gain
C. voltage gain times the output resistance
D. current gain plus the voltage gain
Show Answer
Scratch Pad
Discuss
Correct Answer: current gain times the voltage gain
5. The collector current in a class A amplifier flows for ________ of the ac input signal.
Options
A. < 180°
B. 180°
C. < 360°
D. 360°
Show Answer
Scratch Pad
Discuss
Correct Answer: 360°
6. The ___ oscillator takes advantage of the
piezoelectric effect
.
Options
A. crystal
B. Hartley
C. Colpitts
D.
RC
Show Answer
Scratch Pad
Discuss
Correct Answer: crystal
7. The ac input resistance (
R
in
) of a voltage-divider biased common-emitter amplifier consists of ____________.
Options
A.
B.
C.
D.
Show Answer
Scratch Pad
Discuss
Correct Answer:
8.
V
CE
approximately equals _______ when a transistor is in saturation.
Options
A.
V
CC
B.
V
B
C. 0.2 V
D. 0.7 V
Show Answer
Scratch Pad
Discuss
Correct Answer: 0.2 V
9. A(n) ___ has a conductive channel only when it is biased properly.
Options
A.
p
-channel JFET
B.
n
-channel D-MOSFET
C.
p
-channel D-MOSFET
D.
n
-channel E-MOSFET
Show Answer
Scratch Pad
Discuss
Correct Answer:
n
-channel E-MOSFET
10. Changing ________ can control the voltage gain of a common-source amplifier.
Options
A. the input voltage
B.
g
m
C.
V
DD
D.
R
S
Show Answer
Scratch Pad
Discuss
Correct Answer:
g
m
First
2
3
4
More in Electronics:
Alternating Current and Voltage
Alternating Current vs Direct Current
Analog and Digital Converters
Analog to Digital
Arithmetic Operations and Circuits
Basic Op-Amp Circuits
Bipolar Junction Transistors (BJT)
Capacitors
Combinational Logic Circuits
Computer Hardware and Software
Diodes and Applications
Field Effect Transistors (FET)
Flip-Flops and Timers
Inductors
Logic Circuit Simplification
Logic Gates
Magnetism and Electromagnetism
Measurement, Conversion and Control
Number Systems and Codes
Ohm's Law
Operational Amplifiers
Parallel Circuits
Programmable Logic Devices (PLD)
Quantities and Units
RC Circuits
Resistance and Power
RL Circuits
RLC Circuits and Resonance
Semiconductor Memory
Semiconductor Principles
Sequential Logic Circuits
Series-Parallel Circuits
Series Circuits
Special-Purpose Op-Amp Circuits
Standard Logic Devices (SLD)
Testing and Troubleshooting
Thyristors and Tranducers
Time Response of Reactive Circuits
Transformers
Transistors and Applications
Voltage and Current
