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 14652

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 22882

. 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 8118

. 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 6489

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 10772

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 44022

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 16663

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

BSNL,

5 17613

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 4192

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

3 6850

What is true for frame relay?

2 4382

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

Huawei, Nokia,

2 13097

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 7977

what is the need for modulation?

13 21295

what is hetrodyning?

2 7317

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Un-Answered Questions { Electronics Communications }

Define what is the significance of the arrow-head in the transistor symbol?

1421

what is the use of FR-4(flame retardant)in PCB design why dielectric material used in inner layer in PCB design technology??

2069

what are the difference between dcs & plc & scada?

1091

HI ALL.. I TOO APPLIED FOR THE POST OF JR.EXECUTIVE ELECTRONICS(AAI).HOW DO U PEOPLE KNOW ABOUT THE EXAM DATE DO U GOT ANY ACK...

1936

What are edge triggered flip flop and level triggered flip flop?

1138

Explain what is a voltage transfer curve of an op-amp?

984

what is transmission ?how transmission is done in nokia 3G?

1923

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

2192

What is an inductor?

1019

What is the construction of a solar cell?

1045

what is E1 ? and how this is work,what is data rate of 1 one E1 and why?

2663

Explain the operating condition in scr.

1038

What is the working of centrifugal switch in 1phase induction motor

2016

Can anyone send me question papers for section engineer for railways and send me on my id- abhay_jg@yahoo.com

2046

what are thyristor family and explain it?

4497

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