Answer / azhar anjum

IGBTs are Insulated Gate Bipolar Junction Transistors. It
is combination of MOSFET & BJT. They have high current and
voltage ratings. They are used in electric motor drives
etc.

Answer / sujit

it is a switching device that is used to switching the time on delay and time on off ex concept of refreezenerater concept as energy saving concept

Explain the operation of 1φ sinusoidal ac voltage controller?

0 Answers  

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Why doping is done in semiconductors?

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Hi i am going to attend the interview for BHEL. can you please help out in knowing about the area of preparation. I am apprearing for supervisior trainee post. Please share your views on this. Thanks (frm hydrabad)

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what is the frequency band used for military applications?

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which book is good for electronics aptitude test?

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hi i am electronics & telecomm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you. das.nilanjana2000@gmail.com

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3 Answers  

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why oscillators are used in micro controllers?

11 Answers   Google, Infosys,

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