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JEE Advanced Semiconductor Electronics — practice questions — page 4

Explore 95 free Semiconductor Electronics questions in JEE Advanced Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Semiconductor Electronics questions and exercises with answers

Showing questions 91–95 of 95.

Spot the odd one outRead the answer and worked solution →Complete the resistivity comparisonRead the answer and worked solution →Complete what decides the class of a materialRead the answer and worked solution →True or false: classifying materialsRead the answer and worked solution →A p-n junction diode is forward biased when:Read the answer and worked solution →

Worked practice questions

Spot the odd one out

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Questions
  1. Items
    1. Silicon
    2. Aluminium
    3. Germanium
    Odd item
    Aluminium
  2. Items
    1. Gallium arsenide
    2. Cadmium sulphide
    3. Sodium chloride
    Odd item
    Sodium chloride
  3. Items
    1. Neutron
    2. Electron
    3. Hole
    Odd item
    Neutron
One item is not a semiconductor material. Source: syllabus Physics, Ch 14 Semiconductor Electronics.

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Complete the resistivity comparison

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Missing parts
  1. Answer
    low
    Choices
    1. low
    2. high
    3. no
  2. Answer
    very high
    Choices
    1. very high
    2. very low
    3. zero
  3. Answer
    in between
    Choices
    1. in between
    2. below both
    3. above both
Complete the statement
Metals have {0} resistivity, insulators have {1} resistivity, and semiconductors fall {2}.
Three bands, in order. Source: syllabus Physics, Ch 14 Semiconductor Electronics.

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Complete what decides the class of a material

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Missing parts
  1. Answer
    lattice
    Choices
    1. lattice
    2. crystal colour
    3. surface
  2. Answer
    semiconductor
    Choices
    1. semiconductor
    2. liquid
    3. gas
Complete the statement
The {0} structure and the atomic structure of the constituent elements decide whether a material is an insulator, a metal or a {1}.
Structure decides behaviour. Source: syllabus Physics, Ch 14 Semiconductor Electronics.

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