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Electronics Communications Interview Questions
Questions Answers Views Company eMail

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

BSNL,

5 11605

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

Balaji, Bhel, BSNL,

11 15221

. 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

Bhel, BSNL,

3 5443

. 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

BSNL,

1 5002

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

BSNL, EFF, Satyam, Wipro,

3 6552

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

Biwta, BSNL, CDS, DMRC, Infosys, SSC,

14 33252

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

BSNL, TelCom,

4 12327

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

BSNL,

5 11918

pls tell me the syllabus and books that suitable for the post of junior and section engineer cateogries.

iFlex, State Bank Of India SBI,

1 2444

what is Programmable logic controller?what is its importance and where itis used????

3 4391

What is true for frame relay?

2 2636

How Nokia BTS working? what is TRX and DVJ Function?

Huawei, Nokia,

2 10871

i am also applied for the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & test pattern if any question papers, any one got reply for this quaries? if any one know plz reply to me on my email shivani_19jan@yahoo.co.in

AAI Airports Authority Of India,

3 5269

what is the need for modulation?

13 14778

what is hetrodyning?

2 5154


Post New Electronics Communications Questions






Un-Answered Questions { Electronics Communications }

What is integrating type converter

140


Can we use ic 741 for high frequency applications?

150


Define power electronics?

129


What are the two types of cyclo-converters?

165


what is the effect of increase resistance on reluctance?

134






What is space charge width?

149


What is a transistor? What are its applications?

174


What is zigbee?

164


why the signals of wireless in db value

911


Which was intel's first microprocessor

176


Differentiate between transducer and transponder.

159


i want BHEL electronics and communication placement papers.

4187


Explain how many states does signal has?

121


Tell me why gold is added to the p-n junction?

128


HAI HELLO EVERYBODY, GOOD EVINING. THIS IS ANIL KUMAR. IAM WORKING AS A OSS-SR.ENGG IAM LOOKING FOR LEARNING TELECOM PROTOCOLS. PLZ HELP ME. HOW COULD I GET INFORMATION AND MATERILS.

1039