Electronics Communications Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electronics Communications Interview Questions

Questions Answers Views Company eMail

Balun is a transformer which changes a). unbalanced to balanced line b). balanced to unbalanced line c). zero to infinite impedance d). input like transformer

Cisco,

3 10517

GSM channel bandwidth is a ).200mhz b).200khz c).25 mhz. d.)25 khz

Cisco, Google, NET, Rancore,

12 42603

highest voltage gain can be obtained from a ).CC b).CE c).CB d).Both CE and CB

Cisco, Ericsson, SRC,

14 35229

For TV transimission in india we use AM for video and FM for audio. why like this? can we use opposite way?

Sony,

4 14502

I NEED 2006&2007 RAILWAY RECRUITMENT BOARD,JUNIOR ENGINEER (SIGNAL) Q&ANSWERS,PLEASE SEND TO: kaleelbe@yahoo.com

1882

Can u please post some questions of MTNL junior telecom officer exam?

Lanco,

3641

sir i am completed B.E in 2006 i wrote RRb Section Engineer Exams two times .how to prepare and how is ask previous question paper some previous question paper send through mail id

RRB, Spectrum,

2 5208

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

Airtel, Intel,

2102

speed of optical fibre

3 6843

sun rises in the east,what is information content?

3 9365

what are different type of routing protocols

3i Infotech,

3 6242

hi freinds my name is lokesh and i am preparing for bel so anybody having bel question papers can please send to my mail-loki_426@yahoo.com

BEL,

1981

Slant line with arrow head in NPN & PNP transistor indicate the direction of

HCL, RRB, Wipro,

22 32102

I WANT TO KNOW HOW MANY SIGNALING LINK BETWEEN TWO GSM SWITCH

1 4623

how a call route from pstn to mobile.please tell in details

Ericsson,

6 11122

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Un-Answered Questions { Electronics Communications }

What is the control range of firing angle in ac voltage controller with rl load?

1334

write a program in c++ for finding the given no. is odd or even without using any airthmatic operater?

2042

Define what is meant by fermi level in semiconductor? Where does the fermi level lie in an intrinsic semiconductor?

1041

Define what is hole current?

1163

How to test SS7

2179

What is the weight per meter (Kg/m)of 0.5mm dia copper 10 pair,50 pair and 100 pair,200 pair,500pair telephone cables?

2237

What is meant by saying at what current is transistor biased?

960

what is the use of FR-4(flame retardant)in PCB design why dielectric material used in inner layer in PCB design technology??

2071

Define the limitations in the operation conditions of a p-n junction.

1356

How to measure the insulation resistance for printed circuit boards?

1059

Where the two port networks is used ?

1775

Why circuit turn off time should be greater than the thyristor turn-off time?

1417

Which type of connector we use at the end of GSM antenna/

1989

What is modulation? Explain in detail.

1032

What is a diode in reference to electronics?

1111

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