Question
Write two points of difference between $n-$type and $p-$type semiconductors.
| S.no | $n-$type semiconductor | $p-$type semiconductor |
| $1$ | Pentavalent impurity is added. | Trivalent impurity is added. |
| $2$ | Electrons are the majority charge carrier$/(?_? >> ?_ℎ)$ | Holes are the majority charge carriers$/(?ℎ >> ??).$ |
| $3$ | New energy level formed near conduction band. | New energy level formed near valence band. |
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|
Metal
|
Work Function (eV)
|
|
Na
|
1.92
|
|
K
|
2.15
|
|
Ca
|
3.20
|
|
Mo
|
4.17
|