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Electronics Communications Interview Questions
Questions Answers Views Company eMail

Explain the operation of 3φ bridge inverter for 1200 degree mode of operation with aid of relevant phase and line voltage waveforms?

1026

Explain the operation of sequence control of ac voltage controller?

1047

Why opamp called operational amplifier?

1079

Explain the working of voltage commutated chopper with aid of circuit diagram and necessary waveforms. Derive an expression for its output voltage?

1087

Explain what is an excitation table?

1152

What are the types of commutation? (Or) turn off methods?

1022

What is characteristic of ideal opamp?

1003

What are the advantages of free wheeling diodes in a controlled in a controlled rectifier?

1038

What is meant by duty-cycle?

1107

What is commutation angle or overlap angle?

1406

Explain what are the basic logic elements?

1251

What is 555 timer?

1054

What are the disadvantages of the harmonics present in the inverter system?

1256

Why do ics need small power for their operation?

1071

Name the cmos version of the 555 timer.

1052


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

We take the area of collector wide comparison to base and emitter. Why?

1047


How many types of Transmission cards are in Ultra BTS?

2235


Sir, I wish to appear for the written test in the year 2009. But i have no syllabus on the basis of that the exam was held. So if you kindly give me the syllabus,it's easy for me to be prepared. I have already registered through online,and that no is 10857

1963


i need modal Q. paper of junior enjineer for 1/2009 rrb ajmer exam cat no. 11 jell electrical thenkyou

2153


Explain the working of voltage commutated chopper with aid of circuit diagram and necessary waveforms. Derive an expression for its output voltage?

1087


What is the right Step of Commissioning? (Commissioning, Hub Manager, Hardware)

2121


what is meant by shear resistance in concrete?

2137


What is a mosfet? How is it different from a jfet? What are its typical applications?

1170


idea uses the 1800mhz band with alloted 4.4mhz bandwidth. this band is divided into 22 channel(up link).how will operator divides these channel in to traffic channel and control channel. explain

2235


What is the tri state of a signal?

999


Typically, an IA has an external resistor used for A Establishing the output impedance B Setting the voltage gain C Setting the current gain D Interfacing with an instrument

1665


Why ce configuration is most popular in amplifier circuits?

1143


explain construction of lvdt?

2136


How will u plan a grounding network for a nw plant....

1881


what are thyristor family and explain it?

4494