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Electronics Communications Interview Questions
Questions Answers Views Company eMail

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.

2163

What is faithfull amplification?

Syntel, Wipro,

1 12362

what is operating point?

Essar,

2 5154

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.

2219

What is the protocol ?

TATA,

2 5400

What is the protocol in PLC

TATA,

2550

what is beamwidth in case of antenna system

1 4955

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

2 6699

why is the name op-amp?

HCL,

2 6694

what is the use of equivalent ckt?

Infosys,

4 6747

what is the vertual short&vertual ground?

1 3705

why the dc level shifting is required inlinear intigrated ckt?

1 3470

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

2169

state the barkhausen criteria?

2 5796

define break freq?

2003


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

what is ISDN 1:2or 1:8 ? what is bandwidth allocation? how to the design small network with 4 router?

2088


What is normal radiation field out side the reactor building?

1742


Explain what are the main advantages of synchronous circuit?

957


why ,in CE configuration amp the output is 180 deg phase shift....?

2623


What is single input output interface? How it is different from single ended interface?

987


please send me last year question for executive tranees in ntpc on my email ID rajthakur2091@gmail.com

2157


Why are active filters preferred

1078


difference between pre silicon debug and post silicon debug

2491


Why diodes should be connected in antiparallel with thethyristors in inverter circuits?

1195


The loss of precision in quantity is called A Down time B Delay C Unavoidable delay D None of these

2002


Instead of specifying SETUP and HOLD time, can we just specify a SETUP time for '1' and a SETUP time for '0'?

2044


How to measure frequency without cro?

1051


charge at rest result in e.f and charge in motion result in m.f then how can an accelerated charge give rise to emf wave? then there should be no e.f due to acc charge as it rise from charge at rest?

1996


Explain the advantages of using c band for satellite communication?

1012


I am stuck up with a question on appending of two arrays I am writing the code for the same, I am appending two strings this way int main() { string s1 = "Welcome to C++"; string s2 = "C++ improves the logic ability"; string s3 = s1 + s2; cout<

2005