Electronics Communications Interview Questions
Questions Answers Views Company eMail

1.what is the purpose of zenar diode? 2.what is the difference between BJT and FET?

Wipro,

4 8651

where will be the transient condition in a diode?

RKB,

1797

whats the difference between diode and transistor

7 26476

why rs232 is used in uart when there are many rs devices like rs449 etc . what is the main advantage in using rs232

2586

what is the major difference between uart and usart and their applications

3 18546

WHAT IS MEAN BY GMT

3 4967

types of site earthing

2 5994

what is TRANSDUCERS?

11 12605

If anybody wrote AAI(ATC) exam please... post the questions wat they asked in the exam... Definately it will be more helpful for all the students in INDIA.

AAI Airports Authority Of India,

2 7322

why we use -48V in nokia BTS

TNS,

2648

what is the function of DVJA card in Nokia BTS &how it work

TNS,

2 6863

generic values for: • Maximum power • Emission bandwidths and modulation types • Frequency ranges, frequency stability, attenuation of intermodulation products and selectivity of a quadband dual simm chinese cellphone?

1 3411

What is the feature’s in Group Policy? What is DNS? what is the use of DNS?

IBM,

1607

How to configure Network printer What is DHCP? what is the use of DHCP?

Cognizant,

1772

what is procedur of getting job in oracle for freshar engineer.

1512


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Un-Answered Questions { Electronics Communications }

The function of a transistor used in any of the ics is to perform switching action and not amplification. Then why diodes are not used instead of transistors as diodes also exhibit the same switching action?

604


Explain how to convert a binary number into bcd number directly and vice-versa, without converting it into any other number system?

546


In wave guides tem wave propagation is not exit, give the physical interpretation?

536


Discuss the need for biasing the transistor.

590


how we can calculate the range selection time in mobile communication? or channel searching time?

1800






Why thyristors are not preferred for inverters?

1148


What are boolean algebra and boolean expression?

553


What is meant by input power factor in controlled rectifier?

641


What does a tristate signal in electronics signify?

589


What are the faults that might happen in SCADA ?

1880


Draw the circuit diagram of 1φ capacitor commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary wave forms?

631


How many 2:1 multiplexers do we need to make a 2 input xor gate?

581


What are the applications of ac voltage controllers?

629


What is the advantage of on-off control?

676


i want to know some description about SIM architecture... what is inside the SIM?

1452