For a -type semiconductor, which of the following statements is true? [2019]

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Solution

Q.
For a $p$ -type semiconductor, which of the following statements is true [2019]

1 Electrons are the majority carriers and pentavalent atoms are the dopants.

2 Electrons are the majority carriers and trivalent atoms are the dopants.

3 Holes are the majority carriers and trivalent atoms are the dopants.

4 Holes are the majority carriers and pentavalent atoms are the dopants.

Ans.
(3)

In $p$ -type semiconductors, holes are the majority carriers and trivalent atoms are the dopants such as B, Al or Ga.

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Solution

Q. For a p-type semiconductor, which of the following statements is true [2019]

1 Electrons are the majority carriers and pentavalent atoms are the dopants.

2 Electrons are the majority carriers and trivalent atoms are the dopants.

3 Holes are the majority carriers and trivalent atoms are the dopants.

4 Holes are the majority carriers and pentavalent atoms are the dopants.

Ans. (3) In p-type semiconductors, holes are the majority carriers and trivalent atoms are the dopants such as B, Al or Ga.

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Q.
For a $p$ -type semiconductor, which of the following statements is true [2019]

Ans.
(3)

In $p$ -type semiconductors, holes are the majority carriers and trivalent atoms are the dopants such as B, Al or Ga.