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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 11417

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

11 14688

. 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 5273

. 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 4883

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 6248





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

14 32363

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 12051

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

5 11632

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

985

Any idea of BSNL, JTO paper?

1064

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

4 7144

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

3 7332

6dB pad introduces how much attenuation?

3 7740

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

6 14659

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

1 2160

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Un-Answered Questions

How to set up routing in reactjs. Explain with the help of step by step approach?

7


How to save your test using quicktest professional?

91


What is the difference between resistance grounding system and resistance earthing system?

115


14. What are your Future Plans for Swatz Oils GROUP U.K?

1258


What are the different commands used to startup and shutdown Hadoop daemons?

5






write a program in c language to print your bio-data on the screen by using functions.

5661


What are all the statuses used to define templates?

107


Explain me dogpile effect? How can you prevent this effect?

76


What is the difference between wcf and wpf?

59


Explain about hydrogen bonds antigen-antibody interaction?

31


When you specify multiple datasets in a JOBLIB or STEPLIB, what factor determines the order?

127


what is the velocity considering in lube oil drain line for lube of system for steam turbine?

1164


What is ribbon interface?

85


What are the advantages of eai?

119


What is open line item management?

143