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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 13088

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

11 19436

. 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 6664

. 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 5773

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 9009

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

14 39524

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 14991

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

5 15627

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

 10 18624

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

 4 8784

6dB pad introduces how much attenuation?

 3 9475

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

 1475

WHAT IS LINIER MOTOR?

 4 7474

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

 1 2941

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

 5 28916

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Un-Answered Questions

Mention what are the different types of parallelism used in abinitio?

583

What are accumulators in Apache Spark?

222

What is the difference between asp net and c#?

491

How do I turn off activex in internet explorer?

372

Which is the best operating system for pc?

535




What are the objects can be created using CREATE statement?

547

How much space does ubuntu take?

379

What is a queue in data structure?

531

Compare sap hana & oracle

41

how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? Or extending thread class or implementing runnable interface. Which is better? : Java thread

589

In extended withholding taxes for submission of tax returns i.e. quarterly & annual which sap note is used?

1617

What are orm integration modules?

176

What is mongoose used for?

1

Does the rate increase by experience or number of years worked?

584

How can we implement a jsp page?

625