Electronics Communications Interview Questions
Questions Answers Views Company eMail

how to begin the answer for "tell about yourself"? also what to answer?

3 4802

I have an instrument that involves an electronic circuit. In circuit there is a PTC B754 (having operating voltage 230V). PTC is already damaged and same PTC is not available in market. Now what can i do to solve that problem.

2202

if a PTC having operating voltage 230V is not available then Can we short the circuit where PTC inserted or anybody having other solution. if yes, please reply hurry.

1532

what is the different between opamp,comparator and amplifier?

2 4672

why decoupling capacitor is used in circuit? what is the use of bypass capacitor? what is slew rate?

3 6733

design and or nor not nand x or tables?

Reliance,

3 5451

what is doplar effect?

2 5136

draw the fig of bridge rectifier?

1715

what is rectifier?

ISRO,

11 12806

what is voltage regulation?

ITC Infotech,

4 6316

how does the polarised capacitor works? at which situation in circut it is used?

BPL,

1 4448

IN WCDMA(WIDE CODE DIVISION MULTIPLE ACCESS)WHICH ONE FREQUENCY HOPPING IS USED EITHER FAST FREQUENCY OR SLOW FREQUENCY HOPPING,SAY IN DETAILS

Idea, TCS,

2069

what is the minimum and maximam trace width in PCB design? why trace is measured in mils? what is the use of via? why the crystal oscillator is placed near chip?

Wipro,

1663

what is different between multiplexer and demultiplexer?

12 123817

What is GSM?

7 7226


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Un-Answered Questions { Electronics Communications }

When the two inputs of a multiplier are connected together, the device operates as a A Voltage doubler B Square root circuit C Squaring circuit D Averaging circuit

1440


Explain what is meant by virtual ground in the op amp?

564


Define why iceo >> icbo?

883


i need diploma electronic and comunication question papers

2498


what is purpose of use stug.

1966






is there any good institute in mumbai that provides good Automation courses ?

1529


describe the functioning off all the 40 pins of 8085 processor?

1388


What is the frequency range of satellite communication?

553


State the difference between ac and dc voltage.

619


What is the effect of removal of bypass capacitor in a ce amplifier circuit?

674


Explain we take the area of collector wide comparison to base and emitter. Why?

602


Explain the operating condition in scr.

612


What is meant by radix (or base) of a number system?

637


details of siemens automation systems.

1453


I heard that Apple's laptop usese micro controler whereas others use microprocessors... i learnt tat.. micro controller is nothing but an association of microprocesor with other elements like temperature sensor,timer etc...can anyone explain me this much more in simpler words...

1409