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1. |
In extrinsic P and N-type, semiconductor materials, the ratio of the impurity atoms to the pure semiconductor atoms is about [MP PET 2003] |
A. | 1 |
B. | \[{{10}^{-1}}\] |
C. | \[{{10}^{-4}}\] |
D. | \[{{10}^{-7}}\] |
Answer» E. | |