Electronics Communications Interview Questions
Questions Answers Views Company eMail

Explain why does an op-amp have high cmrr?

666

What types of inverters require feedback diodes?

957

Give some examples of power electronics applications in the day-to-day life?

616

Draw the circuit diagram of 1φ capacitor commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary wave forms?

623

What are the applications of an inverter?

599

For the cmrr to be infinite what will be the condition?

731

What is the duty cycle in on-off control method?

605

What is meant by pulse triggered devices?

611

What losses occur in a thyristor during working conditions?

806

What is the formula for non inverting amplifier?

635

what is an operational amplifier?

619

what are differential gain and common-mode gain of a differential amplifier?

575

What is non-weighted code?

580

why the circuit turn off time should be greater than thyristor turn off time?

662

Explain the operation of multistage control of ac voltage controllers with neat diagram?

635


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

Why thyristors are not preferred for inverters?

1139


what is the importance of signals and systems ?

16350


Why does mode in arm in cpsr have 5 bits instead it can have only 3 bits to define all the 7 modes?

566


What are the methods of reduction of harmonic content?

587


What is the best example of digital system?

595






Why opamp called operational amplifier?

597


Why is transistor called a current controlled device ?

569


What is pin diode?

608


how to calculet the resolution of 4 to 20 mA current signal

1562


6. When Abis link is down, name the alarm that is generated at BSC

1470


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

1887


What is the construction of a solar cell? How is emf generated?

572


Name the modulation techniques.

643


What are the applications of op-amps?

546


What is point contact diode?

576