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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 11668

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

11 15363

. 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 5495

. 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 5040

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 6653





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

14 33457

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 12413

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

5 12021

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

1043

Any idea of BSNL, JTO paper?

1124

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

4 7354

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

3 7552

6dB pad introduces how much attenuation?

3 7961

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

6 14959

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

1 2251

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Un-Answered Questions

Should you pass exceptions by value or by reference?

180


What is cmodel class in yii2?

3


Why do threads block on i/o?

166


when can a job time-out occur? How to overcome that?

191


i m preparing dissertation on "how effective an HR function in 21st century in modern organisation". i have to prepare quessioner on this topic, can u all please help me what question i should put on it. thank you for help

1068






how much maximum power can be generated by 320v, 10kg-cm synchronus motor if shaft is roteted mechanically at 50 to 60 rpm?

1148


How long should you spend on a powerpoint slide?

17


What is calloc in c?

144


What is V8 JavaScript Engine?

27


What is the fastest way to permanently delete a 1 million row table named customers?

177


Difference between item renderer and item editors?

1


In angular 2 module consists of what arrays?

124


hi! i want to know about mpse exam.

1342


What is the average of first five multiples of 495 ?

272


Does unix have a gui?

136