Question
Distinguish between 'intrinsic' and 'extrinsic' semiconductors.
✓
Answer
| Intrinsic Semiconductor | Extrinsic Semiconductor |
| (i) Without any impurity atoms. | (i) Doped with trivalent/pentavalent impurity atoms. |
| (ii) $\text{n}_{e} =\text{n}_{h}$ | (ii) $\text{n}_{e} \neq \text{n}_{h}$ |
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