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DFCCIL EE Basic Electronics Quiz-2

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Question 1

In an intrinsic semiconductor, the intrinsic carries concentration is given by which of the following

Question 2

In an intrinsic semiconductor the conductivity is

Question 3

In Zener diode voltage regulator circuit, maximum power rating P_Z is 12W. What will be the value of Zener Current I_Z at full load?

Question 4

In forward biased LED, recombination of electrons and holes in active region will form:

Question 5

What will be the maximum wavelength of photons that can be detected by photo diode having band gap 4 eV?

Question 6

In a career recombination of electrons and holes, which among following recombination releases kinetic energy?

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Jul 11AE & JE Exams