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Month: August 2019
SEMICONDUCTORS MCQ_06
Q.76 In diode, practically no current flows and diode do not conduct till____ A. the barrier potential is overcome by internal voltage B. the barrier potential is overcome by external voltage C. the barrier potential is overcome Read More …
SEMICONDUCTORS MCQ_05
Q.61 Due to diffusion an electric current from p-side to the n-side is known as____ A. diffusion B. drift current C. diffusion current D. concentration gradient Ans.: C Q.62 The drift current and diffusion current are____ Read More …
SEMICONDUCTOR QUIZ_05
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SEMICONDUCTORS QUIZ_04
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SEMICONDUCTORS MCQ_04
Q.46 In PN diode near the junction, the free electrons from n-region migrate towards p-region and the holes in p-region migrate towards n-region. This process is known as____ A. doping B. diffusion C. gradient D. immobile Read More …
SEMI CONDUCTORS QUIZ-03
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SEMI CONDUCTOR QUIZ_03
Q.31 In P-type semi conductor the Fermi level is_____ A. lies below the valence band B. lies near to the valence band C. lies above to the valence band D. none of the above Ans.: B Read More …