- 1(current)
Q. No.In an \(\mathrm{n\text{-}}\)type silicon, which of the following statement is true:
| 1. | Electrons are majority carriers and trivalent atoms are the dopants. |
| 2. | Electrons are minority carriers and pentavalent atoms are the dopants. |
| 3. | Holes are minority carriers and pentavalent atoms are the dopants. |
| 4. | Holes are majority carriers and trivalent atoms are the dopants. |
Subtopic: Types of Semiconductors |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn an unbiased \(\mathrm{p\text-n}\) junction, holes diffuse from the \(\mathrm{p\text-}\)region to \(\mathrm{n\text-}\)region because:
| 1. | free electrons in the \(\mathrm{n\text-}\)region attract them. |
| 2. | they move across the junction by the potential difference. |
| 3. | hole concentration in \(\mathrm{p\text-}\)region is more as compared to \(\mathrm{n\text-}\)region. |
| 4. | All the above. |
From NCERT
Subtopic: Types of Semiconductors |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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