Electronics Communications Interview Questions
Questions Answers Views Company eMail

define why diodes are not operated in the breakdown region in rectifiers?

663

Define what are the main purposes for which a common-collector amplifier may be used?

642

Which of the transistor currents is always the largest? Which is always the smallest? Which two currents are relatively close in magnitude?

650

What do you understand by collector reverse saturation? In which configuration does it have a greater value?

801

What is the conductivity of perfect dielectric?

690

Define what is meant by phase reversal?

632

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

580

What is astigmatism control?

594

What do you mean by operating point?

547

Define what is a p-n junction?

658

Why is silicon preferred to germanium in the manufacturing of semiconductor devices?

636

Explain what are the factors which the measurement accuracy of q-meter?

633

What are the essential components of a crt?

668

Explain the term doping and its need.

732

How do the transition region width and contact potential across a p-n junction vary with the applied bias voltage?

735


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Un-Answered Questions { Electronics Communications }

69,70 or 71 in box-1 ; 18,19, or 20 in box-2 ; 60,61, or 62 in box-3 get -3 , -4 , or -5 in box-2 in 3 steps.Use all operations i.e. ( +,-,*,/ ).

1859


What is delay angle or what is firing angle of phase controlled rectifier?

596


Explain About RRC states

1551


Explain the output of the lexical analyser?

531


Why fet is known as voltage control device?

557






What are the applications of fm transceiver.

629


What is an asic?

601


WHAT IS THE DIFFERENCE BETWEEN PLC AND embedded systems

1693


What are the types of commutation with respect to commutation process?

564


Tell me how to calculate knee point voltage? Describe its purpose for differential protection.

568


kindly,plesae tell me # the working of BTS # ITS CARDS SPECIFICATION # WORKING OF TRX,DUPLEXER,ASMA CARDS,FIFA # HOW WE ROUTE TRAFFICS # FLOW OF SMS,HOT CALLS,CALLS ETC

1604


What is a p-n junction diode?

601


Fr aptitude question which for preparing good book?

1528


Define what is demodulation?

676


Define what do you understand by collector reverse saturation? In which configuration does it have a greater value?

802