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Electronics Communications Interview Questions
Questions Answers Views Company eMail

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

1141

Define what is the main factor for controlling the thermal generation and recombination?

1291

What are ‘emitter injection efficiently’ and ‘base transport factor’ and how do they influence the transistor operation?

1096

In which bands do the movement of electrons and holes take place?

1304

What is intrinsic semiconductor ?

1072

What is meant by led?

1030

Define what is meant by voltage regulation of a dc power supply?

1040

Why silicon type transistors are more often used than germanium type?

1245

Why common-collector circuit is known as an emitter follower?

1100

Define what happens to the conductivity of semiconductor with the rise in temperature? Compare with the conductivity of metals.

1107

Explain what is reverse saturation current?

1146

Why transistor is called current controlled device?

1260

What is the ratio of majority and minority carriers in intrinsic and extrinsic semiconductors?

1173

Define cut-in voltage of a p-n junction diode?

1145

The output of a 60hz full-wave bridge rectifier has a 60 hz ripple. It this circuit working properly?

1301


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

why the hysteresis is necessary?

2476


hai i am balaji now i applied for the post of section engineer in rrb chennai............ if any body know the question peper and pattern of written exam please send to me

1967


#include int main() { char c='1'; int j=atoi(c); }

1989


Name some of the current controlled (current driven) devices?

1259


hi .. i have done my b.e in under electronics and communication engineering and now i have opted for computer engineering which has most of communication related subjects. still what should i answer, if i am been asked "why didnt yu opt for electrical engineering"

1699


What is the forbidden energy gap? How does it occur? Define what is its magnitude for ge and si?

1300


checking procedure of i.g.b.yt & diode by multimeter...

2012


Difference between mobile and a cell phone.

1065


how to test the mobile tower signals? and which software tool & hardware tools used for test the mobile tower?

2402


working of tuch screen pannel

2121


What is a p-n junction diode?

1057


What is meant by phase reversal?

1137


Define what is meant by fermi level in semiconductor? Where does the fermi level lie in an intrinsic semiconductor?

1038


plz send last 5 year paper set for JE-II(ELECTRICAL)Exam held on few month in mumbai

1965


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

1965