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BSNL Electronics Communications Interview Questions
Questions Answers Views Company eMail

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

5 11510

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

11 15019

. 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

3 5359

. 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

1 4945

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

3 6423





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

14 32900

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

4 12184

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

5 11762

The Entropy of the source is maximum when the symbols are...................?

1010

Any idea of BSNL, JTO paper?

1083

modern capacitors which have high capacitance in small size use a dielectric of?

4 7218

the maximum spectral response of the germanium and silicon is in the ?

3 7414

6dB pad introduces how much attenuation?

3 7825

What is the most common modulation system is used for telegraphy?

6 14782

IS THERE ANY COADING PRESENT IN EPBX SYSTEM? IF YES THEN HOW WE CAN INSTALL IT?

1 2202

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Un-Answered Questions

How do I use a less than or greater than on a message selector in ejb-jar.xml?

113


Emergency Shutdown Systems/ Plant Shutdown System.

1162


did u done enhancement framework?how u implemented?

4552


Explain why should you put your data warehouse on a different system than your oltp system?

133


Explain the differences between private, public and protected and give examples.

150






What is rotary phase converter?

131


Write Test Scripts for a telecummunication project on the basis of priority with some examples with regard to AP,GL,FA.

1062


What is a maturity level?

165


Hat are the minimum system requirements to run photoshop?

1


What is mutating trigger?

95


What are the recommendations for automated solutions working short sla?

1


How to create an editable excel spreadsheet?

15


what do you mean by data staging area? : Sas-di

129


Why we use hibernate instead of jdbc?

1


How do I make an exe file run automatically?

90