Electronics Communications Interview Questions
Questions Answers Views Company eMail

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

3 4679

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.

2160

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.

1494

what is the different between opamp,comparator and amplifier?

2 4560

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

3 6618

design and or nor not nand x or tables?

Reliance,

3 5326

what is doplar effect?

2 5050

draw the fig of bridge rectifier?

1680

what is rectifier?

ISRO,

11 12527

what is voltage regulation?

ITC Infotech,

4 6143

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

BPL,

1 4367

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,

2028

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,

1619

what is different between multiplexer and demultiplexer?

12 123384

What is GSM?

7 7031


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Un-Answered Questions { Electronics Communications }

Draw the vi characteristics of an ideal diode.

616


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?

1747


Explain About RRC states?

1451


Define slew rate.

598


How do touch screens work?

575






Explain the importance of the biasing in transister circuits?

580


Define a hole in a semiconductor.

556


What do you by interfacing in PC ?

1341


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

1342


hello friends actually friends i took admission in us university i have not given toefl and gre is it possible for me to get visa actually once i gave a toefl test my score is 56 after that i m not taken again...please guys gave me some ideas what i do ..... i have already a i20 of us uni. my interview is on next month

1737


Tell me why the shape of op-amp is triangular not other shape?

3153


What are the advantages and disadvantages of jfet over bjt?

547


what are the advantages and disadvantages of embedded compare to vlsi,dsp?

1564


Define what is the effect of temperature on extrinsic semiconductor?

618


why -48 voltage is given to bts?

2223