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