Electronics Communications Interview Questions
Questions Answers Views Company eMail

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

BSNL,

5 13047

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 19340

. 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 6618

. 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 5745

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 8923

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 39282

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 14912

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

BSNL,

5 15530

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 3337

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

3 5357

What is true for frame relay?

2 3430

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

Huawei, Nokia,

2 12018

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 6383

what is the need for modulation?

13 17521

what is hetrodyning?

2 6200


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

State the different types of flip flop and their uses?

525


What is the work of BOIA, TRx, BB2F, Duplexer, Combiner, Multi-coupler, RRI.

2903


For what a triggering circuit is provided in a cro?

525


Define holding current?

614


snd me karur vysya bank clerk model papers kundavarapu.harish90@gmail.com

1480






how does polarised capacitor works?at which situation in circuit it is used

1520


Define dynamic resistance of a p-n junction diode in forward biased condition.

590


# What is D-FF? # What is the basic difference between Latches and Flip flops? # What is a multiplexer? # How can you convert an SR Flip-flop to a JK Flip-flop? # How can you convert an JK Flip-flop to a D Flip-flop? # What is Race-around problem? How can you rectify it?

1687


Can you help me correct FM transmitter circuit?

1457


why we use chopper circuit in TV ?

1882


What are the types of cyclo-converters?

612


Explain the importance of if in radio receiver?

559


what should i prepare for an airport authority of india's interview for ATC post? I have interview in next week. so, Please help me out.

1736


Which type of connector we use at the end of GSM antenna/

1557


What is an idea current source?

589