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BSNL Interview Questions
Questions Answers Views Company eMail

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

5 11363

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

11 14581

. 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 5222

. 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 4832

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 6152





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

14 32048

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 11939

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

5 11564

How will you Physically differentiate A.C and D.C motor?

10 14941

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

4 7084

6dB pad introduces how much attenuation?

3 7679

Sir Please send me TTA 2008 or previous questions papers on my email

1039

WHAT IS LINIER MOTOR?

4 5781

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

1 2140

1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

4 13654

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Un-Answered Questions

What does ICFAI stands for?

132


what is the present model of group1 and group 2 syllabus plz send the link ?

828


List down the primary features of a good automation tool?

73


What do you mean by ofdim in scala?

1


How do I insert two horizontal lines in word?

29






how to update contact-information for instance?

1078


What is use of javax.xml.ws.Endpoint class?

56


What are FIR and IIR systems?

81


When a c file is executed there are many files that are automatically opened what are they files?

76


tell me the scenarios of the independent in reports

1540


What are the factors on which the gas sterilization depends on?

122


How many bytes is string in java?

70


What is db2 purescale?

69


Ow can I insert or delete a line (or record) in the middle of a file?

93


Can you use vlookup in a table?

1