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JEE Mains · Physics · STD 12 - Semicondutor electronics
  • JEE Mains 2021
  • Medium
  • MCQ

Statement\(-I :\) By doping silicon semiconductor with pentavalent material, the electrons density increases. Statement\(-II :\) The \(n-\)type semiconductor has net negative charge. In the light of the above statements, choose the most appropriate answer from the options given below:

Pick an option to check your answer.
Verified Solution

Answer & Solution

Correct Answer

(A) Statement\(-I\) is true but Statement\(-II\) is false.

Step-by-step Solution

Detailed explanation

Pentavalent activities have excess free \({e}^{-}\)

So \({e}^{-}\)density increases but overall semiconductor is neutral.

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