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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
A donor impurity results in ______.
When p-n junction diode is forward biased, then ______.
In n-type semiconductor majority carriers and minority carriers are respectively ______.
The electron and hole concentration in a semiconductor in thermal equilibrium is given by ______.
Explain the following term:
Extrinsic semiconductor
Why are elemental dopants for Silicon or Germanium usually chosen from group XIII or group XV?
Name the extrinsic semiconductors formed when pure germanium is doped with a trivalent impurity. Draw the energy band diagram of extrinsic semiconductors so formed.
In an extrinsic semiconductor, the number density of holes is 4 × 1020 m-3. If the number density of intrinsic carriers is 1.2 × 1015 m-3, the number density of electrons in it is ______.
With an increase in the temperature, the electrical conductivity of a semiconductor ______.
