Multiple choice

Which of the following options is true?

  1. A silicon wafer heavily doped with boron is a p+ substrate.

  2. A silicon wafer lightly doped with boron is a p+ substrate.

  3. A silicon wafer heavily doped with arsenic is a p+ substrate.

  4. A silicon wafer lightly doped with arsenic is a p+ substrate.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Trivalent impurities are used for making p- type semiconductors. So, Silicon wafer heavily doped with boron is a p+ substrate.

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