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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 11167

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

11 14167

. 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 5035

. 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 4705

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 5897





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

14 31060

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 11725

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

5 11249

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

925

Any idea of BSNL, JTO paper?

1006

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

4 6935

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

3 7102

6dB pad introduces how much attenuation?

3 7519

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

6 14337

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

1 2074

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Un-Answered Questions

Why do we need static in c#?

20


What is the difference between .net 2000 and .net 2005(features)? Which one is better?

26


How much ram is required for windows 7?

23


What does you mean by positive and negative testing & what is the difference between them. Can anyone explain with an example?

62


What is binary tree in computer science?

19






Mention the way of highlighting as well as putting a cursor to use in a cobol program.

64


Differentiate between globalization and localization.

51


Define chroma?

1


Where is the UNICEF headquarters located?

98


Is there any possibility to restrict duplication of defects being created in td?

30


Received an order from Babu for the supply of goods Rs.200/-. state whether the the following transcation is business transcation or non business transcation? with reson or explaination?

763


i want model questions which will be asked in hindustan aeronautics online test for the post of managenent trainee

1310


What is a json database?

1


How many characters are allowed in a where clause?

5


What do mean by remotable objects in .net remoting?

35