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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 10128

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

11 12541

. 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 4292

. 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 4189

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 4878





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

13 25869

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 10620

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

5 9996

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

768

Any idea of BSNL, JTO paper?

813

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

4 6413

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

3 6281

6dB pad introduces how much attenuation?

3 6679

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

6 13178

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

1 1790

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Un-Answered Questions

What are some other hard problems ?

947


For How many days salary is paid ? for how many days wages is paid ?

1085


Do I need a waybill in the following case:- If I purchase (on bill) small quantity goods (like artificial jewelry) from one state (say Delhi) and transports it personally (say via flight) to other state (say West Bengal) along with my personal belongings and then I put them to sell through my boutique in that state. Do I need waybill? If yes, what will be the procedure? Do I need to pay entry tax at WB? What will be the procedure? Am I doing anything unlawful while transferring goods personally? Please give your advice. Regards, Manoj

347


How emergency call get through without coverage but not other call at that time?

861


how to clone 9i Database on to 10g Database.

1044






what is cathodic protection and why it use in industries?

885


what is high type road and low type roads

301


sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

982


How to calculate Ith (I thermal) for curent transformer

811


what are the steps to implement outbound email in siebel?

2154


hi,....i have finished my MCA degree-2008passed out....i planned to write bank exams...in some banks i noticed tat vaccancy for clerk posts....and in PO... wat salary v can expect for clerk and PO(probationary officers)...i applied to karnataba bank....wat r al the things to prepare for al bank exams..wat s the difference of clerk and PO posts.... being MCA s there any jobs in bank...if u knoe the details abt tis,pl tell me

1254


Differentiate between static and dynamic channel allocation.

978


What is a good BDE Alternative?

841


Name the Tuxedo / Jolt Process and describe their functions? 

270


how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT

988






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