Electronics Communications Interview Questions
Questions Answers Views Company eMail

How is focussing achieved?

701

Why is zener diode used as a voltage regulator?

643

Define what is the effect of temperature on extrinsic semiconductor?

737

Why doping is done in semiconductors?

755

Why the current in power diode varies linearly rather than exponentially with voltage?

888

What is transistor biasing?

681

Explain what are the two mechanisms of breakdown in a p-n junction?

808

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

696

What is back diode?

703

What do you mean by drift velocity and mobility of a free electron?

666

What is the main factor for controlling the thermal generation and recombination?

843

What do you understand by reverse saturation current of a diode?

646

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

714

Different types of communications? Explain.

725

What happens when an ammeter is connected across the circuit?

699


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

what is different between three phase balanced and three phase unbalanced load with chart.?

731


Explain to find conductivity?

652


What is a multimeter?

731


How a timer enhances for controlling any process.

658


Explain why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

668






Explain why bjt is called current control device?

630


What is the main drawback of a dual slope adc?

750


wat is the channel length we r using in ic designing in current technology

1565


Define hold time?

996


wat power transmitter we use in radar n explain its principle??

1675


Why the aspect ratio of tv video display is 4:3 or 16:9? Why not it is any other?

659


What is cut-off frequency?

804


What is q-factor of the coil?

777


What happens to the residual resistivity of metals

705


Explain the difference between leds and pn junction diode?

656