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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 11276

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

11 14423

. 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 5144

. 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 4769

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 6057





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

14 31618

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 11846

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

5 11421

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

10 14774

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

4 7013

6dB pad introduces how much attenuation?

3 7599

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

1021

WHAT IS LINIER MOTOR?

4 5689

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

1 2109

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 12964

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Un-Answered Questions

How to create a set up in vb.net for desktop application please say steps with examples?

59


How to create connection in php?

69


What is the purpose of assigning a daily work schedule class?

104


What are the differences between having and where clause.

55


What is the outlook ribbon bar?

1






What is a framework in it?

5


What is difference between asp net and c# net?

40


How would you code a macro statement to produce information on the sas log? This statement can be coded anywhere? : sas-macro

71


What is pn sequence in cdma?

78


What is gridfs in mongodb?

1


how do you calculate the quantity of steel,cement for plinth beam. (example size 41'*0.58'*1.08')

1498


What's the difference b/w Table & Templete in Smartform?

1136


how you will the direct the data to spool using sysout option?

173


How big can a postgres database be?

29


Using Connected or unconnected lookup for performance wise which one is preferable?.

404