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If is number density of acceptor atoms added and is number density of donor atoms added to a semiconductor, and are the number density of electrons and holes in it, then
(a)
(b)
(c)
(d)

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Important Questions on Semiconductor Electronics: Materials, Devices and Simple Circuits
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In an unbiased p-n junction which of the following is correct?

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In a semiconductor diode, reverse bias current is due to drift of free electrons and holes caused by

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In a semiconductor diode, -side is earthed and -side is put at potential of the diode shall

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Two identical junctions may be connected in series with a battery in three ways. The potential difference across the two junctions are equal in

HARD
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In a full-wave rectifier circuit operating from mains frequency, the fundamental frequency in the ripple would be

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The value of form factor in case of half wave rectifier is

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Zener diode is used for

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A junction diode, in which one of the or -sections is made very thin, can be used to convert light energy into electrical energy, then the diode is called
