Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electronics Communications Interview Questions

Questions Answers Views Company eMail

Oscillator crystal are made of a.) Silicon b.) Germanium c.) Quartz d.) None

BSNL,

5 14692

For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

Balaji, Bhel, BSNL,

11 22960

. If we have a parallel plate capacitor of plate area 'A' and plate separatoin t and having a capacity C and a metallic plate r of area A and of negligible thickness is introduced in the capacitor at a distance from either of the two plates as shown in the given figure then the capacity of the capacitor will become a.) b.) C c.) 2C d.) 4C

Bhel, BSNL,

3 8143

. A superconductor is a a.) A material showing perfect conductivity and Meissner effect below a critical temperature b.) A conductor having zero resistance c.) A perfect conductor with highest di-magnetic susceptibility d.) A perfect conductor which becomes resistance when the current density through it exceeds a critical value

BSNL,

1 6503

When an inductor tunes at 200 KHz with 624 pF capacitor and at 600 KHz with 60.4 pF capacitor then the self capacitance of the inductor would be a) 8.05 pF b) 10.05pF c.) 16.01pF d.) 20.01pF

BSNL, EFF, Satyam, Wipro,

3 10807

Sparking occur when a load is switched off because the circuit has high a.) Inductance b.) Capacitance c.) Resistance d.) None

Biwta, BSNL, CDS, DMRC, Infosys, SSC,

14 44122

Sparking between contacts can be reduced by inserting a a.) Resistance in the line b.) Capacitor in series with contacts c.) Capacitor in parallel with contacts d.) None

BSNL, TelCom,

4 16703

RF amplifier of an A.M. receiver is normally biased in a.) Class 'A' b.) Class 'b' c.) Class 'C' d.) None

BSNL,

5 17673

pls tell me the syllabus and books that suitable for the post of junior and section engineer cateogries.

iFlex, State Bank Of India SBI,

1 4217

what is Programmable logic controller?what is its importance and where itis used????

3 6864

What is true for frame relay?

2 4395

How Nokia BTS working? what is TRX and DVJ Function?

Huawei, Nokia,

2 13114

i am also applied for the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & test pattern if any question papers, any one got reply for this quaries? if any one know plz reply to me on my email shivani_19jan@yahoo.co.in

AAI Airports Authority Of India,

3 8004

what is the need for modulation?

13 21380

what is hetrodyning?

2 7335

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Un-Answered Questions { Electronics Communications }

What is effective communication?

2332

Explain the working of a multiplexer.

1048

Define virtual ground in the op amp?

1034

What are the main purposes for which a common-collector amplifier may be used?

1217

What is fm.

1063

y do v use single anteena in radar any other reason except cost???

1970

Op-amp is used mostly as an integrator than a differentiator. Explain why?

1461

Please send me RRB Bhopal last 5 years solved Question paper on amrita_jain2001@yahoo.com

2778

can any one help me out by posting something related to rvnl interview for site engineer electronics (S & T).? what is the procedure? what type of question they generally ask? how long the interview goes for one candidate? and any tips ??

1940

Define cmrr of an opamp?

1262

Compare and Contrast- Diffusion and Drift Mechanisms

1387

we are operation 3 generator with module 5510 and electronic control module . two generator running system healthy and generator called another one generator running always generator called did not showing system healthy

1910

List out some integrating type converters.

1019

What is a bcd?

1094

Define latching current?

1393

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