Electronics Communications Interview Questions
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IN A PN JUNCTION DIODE,( ON FORWARD BIAS ) WHEN ELECTRONS AND HOLES PAIRS MADE AND CURRENT FLOWS,THEIR IS NO END OF ELECTRONS AND HOLES IN A LITTLE SEMICONDUCTOR DEVICE.

1805

What is faithfull amplification?

Syntel, Wipro,

1 11775

what is operating point?

Essar,

2 4503

sir i am the student of B.E(EC) 3rd year.i want know how can i prepare for psu exam while continue my college & study.

1892

What is the protocol ?

TATA,

2 4693

What is the protocol in PLC

TATA,

2199

what is beamwidth in case of antenna system

1 4265

what is meant by differential amplifier? what is primary function?

2 6007

why is the name op-amp?

HCL,

2 6054

what is the use of equivalent ckt?

Infosys,

4 5457

what is the vertual short&vertual ground?

1 3262

why the dc level shifting is required inlinear intigrated ckt?

1 2904

if UT=4v & V LT=-2v the hysteresis voltage is equal to......?

1773

state the barkhausen criteria?

2 5125

define break freq?

1644


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Un-Answered Questions { Electronics Communications }

What is static resistance of a diode?

682


i am electronics & comm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you, snehalsanap@gmail.com

1651


A channel has a bit rate of 4kbps and a propagation delay of 20msec. For what range of frame sizes does stop-and-wait give an efficiency of at least 50%

3300


wat should be the main steps for qualifying gate.

1548


Explain full duplex and half duplex.

698






What is dma controller?

752


What's the difference between looping 0s and 1s in K map?

4787


What is the effect of polarization of dielectric under heat?

693


Write two characteristics of combinational circuits.

743


3. What is the command to unlock the BTS

1851


Explain why is an excess-3 code called an unweighted code?

773


Can a transistor be obtained by connecting tow semiconductor diodes back-to-back?

955


What are the disadvantages of load commutated chopper?

912


What are monitoring methods for electronics activities?

676


What is motherboard in pc? And why it is called motherboard.

1422