Electronics Communications Interview Questions
Questions Answers Views Company eMail

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

618

Define what is a high-pass filter?

584

Define what is demodulation?

686

What is q-factor of the coil?

674

Define beta of a transistor.

614

Why the width of the base region of a transistor is kept very small compared to other regions?

946

Define what is hole current?

707

Define what is space charge width?

660

Ripple as referred to in a rectifier circuit.

593

What is a varactor diode?

602

Which two currents are relatively close in magnitude?

731

Differentiate semiconductors, conductors and insulators on the basis of band gap.

582

What is piv of a diode in a rectifier circuit?

604

Define what is meant by operating point?

584

What is a lissajous pattern?

612


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

What are the main divisions of power system?

696


Why the aspect ratio of tv video display is 4:3 or 16:9?

510


i want syllabus for section engnieer and previous year question papers

1540


Explain what is an excitation table?

649


What is working principle of profibus and how it transfer data?

587






Loop check when we do ???before solo run test or dis two activities not related .plz explain me

1340


What are the characteristics of an ideal op-amp.

641


Explain why the antenna is called passive element?

608


how pwm signals generated????

1611


Explain how many mosfet switches are there in dynamic ram?

575


What are the advantages of parallel optical interface?

1546


Why every time that I hit the microphone or when I speak louder the amplifier is switched of?

1511


hI, I AM A BE GRADUATE. WILL U LET ME KNOW WHAT TYPE OF OFFICER POSTS ARE AVAILABLE FOR MY QUALIFICATION IN SBI BANK? WHETHER THERE ARE ANY SCALE OF PAY DIFFERENCE FOR THE REST OF THE OFFICER POST AND THE POST THAT IS UNIQUE FOR ENGINEERS?

1617


In a mosfet, what does the pinch off voltage refers to?

553


Why an ordinary junction transistor is called bipolar?

698