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Electronics Communications Interview Questions
Questions Answers Views Company eMail

Define what is schottky diode?

1038

What do you mean by donor and acceptor impurities?

1049

Define what is point contact diode?

1073

Why series inductor and l-section filters cannot be used with half-wave rectifiers?

1173

What is an ac emitter resistance?

1042

Define why r-c filters are suitable only for light loads?

1074

What is transistor?

1156

What are the main purposes for which a cc amplifier may be used.

1038

Why π-filters are not suitable for varying loads?

1288

Indicate the various quantities that can be measured with a multimeter.

1005

Define what is meant by filter?

1114

Why the actual q-factor of the coil is someexplain what larger than the calculated q-factor?

971

What are the shortcomings of a multimeter?

1072

Define why are active filters preferred

1095

Why does a pure semiconductor behave like an insulator at absolute zero temperature?

1205


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

What is difference between a multiplexer and encoder? Also what is the between demultiplexer and decoder?

1043


Hai Frds, i want to join in testing tools course, pls sugest good institute. And pls tel about Mind Q institute & phone num of Nareswar Roa sir plss, ple mail me plssssss

1843


where v see useful video in electronic circuits? which site it is free for download?

1837


How to find resistivity?

1144


plz send the rrb junior engg and assistant loco pilot previous quastion papers

1955


proff of ERLANG B formula???

2120


Draw the current Vs time graph for an inductor connected to a d.c. source. How will you measure power of a transmissioon line? Tell all the steps alongwith the components used in power generation. Which law governs the induced emf?

2849


Definition of power electronics?

1032


What are the advantages of gto over scr?

1988


Where do we use am and fm?

1072


What are the shortcomings of a multimeter?

1072


Why the single phase A.C motor taking more current than 3 phase A.C motor?

2349


how to use single phase supply for 3 phase instrumentation

2216


What is the state if the RED LED is glowing on DVxx card What is the state if the YELLOW LED is glowing on DVxx card What is the state if the GREEN LED is glowing on DVxx card Which frequency band DVDC is used Which frequency band DVGA is used

1961


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.

2605