What are the different types of chopper with respect to commutation process?
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wat you mean by harmonics? why you r using isolation transformer in digital ups or in normal means igbt ups?
What is resistive diode?
Explain digital circuits?
Which of the two semiconductor materials si or ge has larger conductivity at room temperature? Why?
What are the two basic modes in which the 555 timer operates?
How will you determine what frequency the device has without using oscilloscope?
What is the difference between 8087 and 8086
areas for improvement
Where do we use am and fm?
What is delay angle or what is firing angle of phase controlled rectifier?
I am in need of question set of ONGC Electronics & Communication
What is channel coding?