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 10514

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

Cisco, Google, NET, Rancore,

12 42594

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

Cisco, Ericsson, SRC,

14 35216

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

1881

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

Lanco,

3639

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 5206

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 9364

what are different type of routing protocols

3i Infotech,

3 6241

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 32081

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

1 4622

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

Ericsson,

6 11116

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Un-Answered Questions { Electronics Communications }

Draw the two transistor model of scr and derive an expression for anode current?

1479

which opamp don’t have feedback loop?

1032

how a TV work, & working principle of TV, what parts include for its function?

2084

box 1 contain odd value X or Y the box 2 =X i.e 7 or 12 box 3= Y has value 19 if X is 7 or 31 if x is 12 get even value X or Y Use any operator steps allowed 3

2829

What is High frequency transformer cores made of?

1101

Explain what are semiconductor devices?

1008

Define pair, quad, and octet?

1707

what can made electronic car by your company?

1840

Dear concern Plz provide me the solved papers of Railway section engineer in signal...

1888

Explain why the antenna is called passive element?

1073

Why bjt is called current control device?

1020

Define what do you understand by reverse saturation current of a diode?

1126

Name the modulation techniques.

1109

what is the ratio of Rf &R1 in wean bridge oscillator

1972

State different methods of voltage control inverters. Describe about pwm control in inverter?

1159

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