Physics – Semiconductor – TEST (MCQ Maharashtra HSC Board)
Physics – Semiconductor – TEST (MCQ Maharashtra 12th Board)
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#1 If there is o electron in the conduction band of a solid at room temperature, it is
#2 A transistor produces good amplification in this configuration
#3 Metal contain large number of free
#4 Full wave rectifier requires
#5 Which of the following gates can act as building block for logic circuits?
#6 In a n-p-n transistor, what is the role of p-type semiconductor?
#7 In forward-biased mode, a –p-n diode acts as
#8 A solar cell converts sunlight into
#9 To create a p-type semiconductor from a pure semiconductor we can add
#10 The number of bonds formed in a p-type and n-type semiconductor are
#11 In a p-n-p transistor the current produced is mainly due to
#12 In a pure semiconductor like silicon, a p-type impurity creates
#13 A p-n junction diode cannot be used as
#14 What is a transistor?
#15 What is the nature of the current output form a simple filter-less rectifier?
#16 Each covalent bond in a pure Silicon or Germanium has
#17 Which effect is used in solar cells?
#18 The materials most commonly used for solar cells?
#19 In which of the following do holes exist?
#20 What is an AND gate logically equivalent to? Parallel switching circuit