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Which is the wrong statement in following sentences? A device in which  and -type semiconductors are used is more useful then a vacuum type because

a)

Power is not necessary to heat the filament

b)

It is more stable

c)

Very less heat is produced in it

d)

Its efficiency is high due to a high voltage across the junction



Question ID - 151111 | SaraNextGen Top Answer

Which is the wrong statement in following sentences? A device in which  and -type semiconductors are used is more useful then a vacuum type because

a)

Power is not necessary to heat the filament

b)

It is more stable

c)

Very less heat is produced in it

d)

Its efficiency is high due to a high voltage across the junction

1 Answer
127 votes
Answer Key / Explanation : (d) -

Its efficiency is high due to a high voltage across the junction

127 votes


127