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प्रश्न
What type of semiconductor is obtained when a crystal of silicon is doped with a trivalent element?
उत्तर
P-type semiconductor.
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संबंधित प्रश्न
Distinguish between 'intrinsic' and 'extrinsic' semiconductors
Electronic configuration of germanium is 2, 8, 18 and 4. To make it extrinsic semiconductor small quantity of antimony is added. The correct statement is ____________.
In n-type semiconductor, the fifth electron ______.
In p-type semiconductor, ______.
The electron and hole concentration in a semiconductor in thermal equilibrium is given by ______.
Explain the following term:
Extrinsic semiconductor
The conductivity of a semiconductor increases with increase in temperature because ______.
Sn, C, and Si, Ge are all group XIV elements. Yet, Sn is a conductor, C is an insulator while Si and Ge are semiconductors. Why?
Name the extrinsic semiconductors formed when pure germanium is doped with a trivalent impurity. Draw the energy band diagram of extrinsic semiconductors so formed.
- 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:
