Question:
In an n-type silicon, which of the following statement is true:
In an n-type silicon, which of the following statement is true:
Updated On: Sep 29, 2023
- Electrons are majority carriers and trivalent atoms are the dopants.
- Electrons are minority carriers and pentavalent atoms are the dopants.
- Holes are minority carriers and pentavalent atoms are the dopants.
- Holes are majority carriers and trivalent atoms are the dopants
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The Correct Option is C
Solution and Explanation
The correct statement is(C): Holes are minority carriers and pentavalent atoms are the dopants..
In an n-type silicon, the electrons are the majority carriers, while the holes are the minority carriers. An n-type semiconductor is obtained when pentavalent atoms, such as phosphorus, are doped in silicon atoms.
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Concepts Used:
P-n Junction
A P-N junction is an interface or a boundary between two semiconductor material types, namely the p-type and the n-type, inside a semiconductor.
Biasing conditions for the p-n Junction Diode:
in p-n junction diode two operating regions are there:
- P-type
- N-type
There are three biasing conditions for p-n junction diode are as follows:
- Zero bias: When there is no external voltage applied to the p-n junction diode.
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- Reverse bias: P-type is connected to negative terminal of the voltage potential while n-type is connected to the positive terminal.