Electronics Communications Interview Questions
Questions Answers Views Company eMail

Explain why does an op-amp have high cmrr?

855

What types of inverters require feedback diodes?

1226

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

841

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?

827

What are the applications of an inverter?

822

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

971

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

822

What is meant by pulse triggered devices?

796

What losses occur in a thyristor during working conditions?

1020

What is the formula for non inverting amplifier?

822

what is an operational amplifier?

809

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

801

What is non-weighted code?

778

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

891

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

844


Post New Electronics Communications Questions

Un-Answered Questions { Electronics Communications }

Why does all cellular networks have same shape of sim? Why is it designed in such a particular shape? Does it have any other shape?

742


what is the min persentage for applying group exams for B.tech students

2071


i am an i.t.i holder in electronics i need those questions and their which have been asked in aircraft company for the post of technician

5165


What is a dc power supply?

881


Tell me why do we convert frequency domain to laplace domain?

765


why cristal frequency is different in microcontrollers and crystal oscillators?

1721


What is the difference between plc and dcs control system?

749


Define why are active filters preferred

802


how pwm signals generated????

1836


what is integration,optimization of gsm corenetwork in practice?

1895


Draw the circuit diagram of 1φ auto sequential commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary waveforms?

890


What is the difference between emulator and simulator?

724


Is M-ary PSK bandwidth efficient or power efficient

1889


Where is the maximum temperature in refrigeration cycle? a.Between evaporator & compressor. b.At Compressor c.Between compressor and condensor. d.At condensor

1934


Why opamp called operational amplifier?

776