Which of the Following Statements Is True About Semiconductors

question 3

Multiple Choice

Which of the following statements is true about semiconductors?

• A) Pure silicon and germanium are called intrinsic semiconductors.
• B) In extrinsic semiconductors,the number of electrons in the conduction band is determined by the temperature and the magnitude of the band gap.
• C) Dopants are present in intrinsic semiconductors.
• D) The conductivity of intrinsic semiconductors is controlled by adding small numbers of different atoms.
• E) The types of intrinsic semiconductors include p-type and n-type semiconductors.

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