This is the Section 1 Module 23 of the compiled Electronics Review Materials taken from different sources including but not limited to Electronics books, past Board Exams Questions, Journals and the Internet. This particular reviewer in Electronics Engineering has random Questions and Answers in random topics. Make sure to familiarize each questions to increase the chance of passing the ECE Board Exam.
Electronics Engineering Reviewers: Section 1 Module 23
1.When P-type and N-type material are joined together they formed a __________
- pn junction
2.What device is formed when P-type and N-type are combined.
- junction diode
3.A forward bias diode
- anode is more positive with respect to cathode
4.Barrier potential of Silicon
0.7V
5.Minimum voltage required across a diode
- threshold voltage
6.Maximum voltage that can be applied that can be handled by junction diode
- breakdown voltage
7.In first approximation,forward bias diode is ________
- shorted with 0V voltage drop
8.Factor that tells the user the reduction of power handling capability
- power derating factor
9.Zener diode works as voltage regulator
- reverse bias
10.Computers connected in a hub
- star network
11.Transistors in active region amplifies when
- EB is forward bias and CB is reverse bias
12.In transistor,output is connected to the collector and the input is connected in the emitter
- common base
13.Transistor configuration with low Zi and high Zo
- common base
14.Transistor configuration with 180 degrees phase shift
- common emitter
15.Most unstable Q
- base bias
16.Emitter follower
- common collector
17.Use in common amplifier connection
- common emitter
18.T-circuit low pass filter
- series inductor and bypass capacitor
19.D MOSFET
- normally on
20.JFET
- unipolar and voltage controlled device
21.English programming tool design
- Psuedocode
22.Center tapped half wave rectifier is example of
- series clipper
23.In full wave center tapped transformer, current in each diode is
- 1/2
24.Limits the amplitude
- clipper
25.In voltage quadrupler,how much voltage is in the 3d diode
- 2Vmax
26.Series capacitor,parallel inductor
- low pass filter
27. Very low efficiency
- RF class A devices
28.Most efficient amplifier operation
- class C
29.Class A operation
- midway of saturation and cut-off
30.A virus that replicate itself
- worm
31.
- drift current
32.Signal that is same magnitude and same polarity
- pulsating DC
33.Conducting glass
- amorphous
34.
- transconductance
35.Passive filter
-3dB
36.Thyristors
- high switching speed
37.Thyristors
- control elements for phase angle triggered controller
38.When SCR is conducting
- gate can no longer controlled the device
39.Full wave,advance,how many diode
2
40.How many phases does a SDLC project has
5 phases
41.If the temperature of a diode material increases the threshold voltage
- decrease
42.Token Ring network
- token passing
43.Behaves like current source
- active region
44.Class A operation
- midway of saturation and cut off
45.10,1 frequency
- decade
46.2,1 frequency
- octave
47.
- both 6dB/octave and 20dB/decade
48.
- both 20dB/decade and 6dB/octave
49.Maximum power a diode can handle
- maximum dissipation factor
50.Connecting software,hardware and
- centralized
51.Friendly program of C++
- JAVA
52.Lowest programming
- machine language
53.Source follower
- common drain
54.Emitter follower
- common collector
55.FET configuration that is high Zi and low Zo
- common drain
56.The removal by electronic means of an wave form is called
- clipping
57.Shifting a wave
- clamping
58.Half wave rectifier is example of
- series clipper
59.Parallel
- shunt
60. Current flow in a semiconductor that is due to the applied electric field.
- drift current
61.VCL cutoff
- 0V
62.High power efficiency
- class C
63.Amplifier use in tuned RF
- class C
64.Push pull amplifier
- class B
65.If pulsating DC is input to the source,what will be the output at the secondary
- only AC signal
66.An AC parameter which
- transconductance
67.Diode forward bias
- anode is positive with respect to cathode
68.High pass filter
- series capacitor and parallel inductor
69.Low pass filter
- series inductor and parallel capacitor
70.Which include in the first phase of conducting a project
- survey
71.As a voltage of diode increase,the resistance will
- decrease
72.In transistor,which region is lightly doped and very thin
- base region
73.In transistor,which region is heavily doped
- emitter region
74.In transistor,which region has the large capacity
- collector region
75.A P-type semiconductor has
- trivalent impurities
76.A N-type semiconductor has
- pentavalent impurities
77.Use in high power application
- triac
78.Location of acceptor atom
- near valence shell
79.Maximum reverse current the diode can function
- reverse saturation current
80.Diode use in oscillator,also known as Esaki diode
- tunnel diode
81.Department and position
- organizational chart
82.Example are employees
- user
83.Not part of Internet
- frame
84.Most important parameter
- fore ground
85.Dot image
- half tone
86.A user that fill vacancy and need of a company
- system analyst
87.Example of this are desk checking
- testing
88.What is an operating system
- system of softwares
89.Most unstable Q,in FET
- gate bias
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