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Class 12 Physics Practice Test: Extrinsic Semiconductor
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Class 12 Physics Practice Test: Extrinsic Semiconductor
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10 Questions

1. In a pure semiconductor crystal, if current flows due to breakage of crystal bonds, then what is the semiconductor is called?
2. The n-type semiconductor is which of the following?
3. Identify the property which is not characteristic for a semiconductor?
4. Boron when added as an impurity, into the silicon, produces n-type semiconductor.
5. The dominant contribution to current comes from holes in case of which of the following?
6. A small impurity is added to germanium to get a p-type semiconductor. Identify the impurity?
7. Which of the following, when added as an impurity, into the silicon, produces n-type semiconductor?
8. On doping germanium metal, with a little amount of indium, what does one get?
9. In n-type semiconductors, which one is the majority charge carriers?
10. In a p-type semiconductor, germanium is doped with which of the following?

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