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Semiconductors are present in most of the modern electronic devices that we use. Which of the following statements is/are true regarding semiconductors?
The resistivity of semiconductors is more than insulators but less than conductors.
  • The most commonly used semiconductor elements are Silicon and Germanium.
    Select the correct answer using the codes given below.
    • a)
      1 only
    • b)
      2 only
    • c)
      Both 1 and 2
    • d)
      Neither 1 nor 2
    Correct answer is option 'B'. Can you explain this answer?
    Verified Answer
    Semiconductors are present in most of the modern electronic devices t...
    1. Conductors, semiconductors, and insulators are classified on the basis of conductivity/resistivity.
    2. Conductors possess very low resistivity (or high conductivity).
    3. Semiconductors have resistivity or conductivity intermediate to conductors and insulators.
    4. Insulators have high resistivity (or low conductivity).
      1. Thus resistivity of semiconductors is more than conductors but less than insulators. Hence statement 1 is not correct.
    5. Semiconductors can be:
      1. Elemental semiconductors: Silicon(Si) and Germanium(Ge)
      2. Compound semiconductors: Examples are:
        1. Inorganic: CdS, GaAs, CdSe, InP, etc.
        2. Organic: anthracene, doped pthalocyanines, etc.
        3. Organic polymers: polypyrrole, polyaniline, polythiophene, etc.
    6. Most of the currently available semiconductor devices are based on elemental semiconductors Si or Ge and compound inorganic semiconductors. Hence statement 2 is correct.
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    Most Upvoted Answer
    Semiconductors are present in most of the modern electronic devices t...
    Statement Analysis

    1. The resistivity of semiconductors is more than insulators but less than conductors.
    This statement is true. Semiconductors have resistivity values that are in between those of insulators and conductors. This property allows semiconductors to be used in electronic devices for their unique conductivity characteristics.

    2. The most commonly used semiconductor elements are Silicon and Germanium.
    This statement is true. Silicon and Germanium are the two most commonly used semiconductor materials in the electronics industry. They have stable crystal structures and are widely available, making them ideal for various applications.
    Therefore, the correct answer is option B) 2 only.
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    Semiconductors are present in most of the modern electronic devices that we use. Which of the following statements is/are true regarding semiconductors? The resistivity of semiconductors is more than insulators but less than conductors. The most commonly used semiconductor elements are Silicon and Germanium. Select the correct answer using the codes given below.a) 1 onlyb) 2 onlyc) Both 1 and 2d) Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?
    Question Description
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