Question:
A semiconductor has an electron concentration of $ 8\times 10^{13}/m^{3}$ and hole concentration of $ 5.5\times 10^{12}/m^{3}$. The semiconductor is
A semiconductor has an electron concentration of $ 8\times 10^{13}/m^{3}$ and hole concentration of $ 5.5\times 10^{12}/m^{3}$. The semiconductor is
Updated On: Jul 12, 2022
- n-type
- p-type
- intrinsic semiconductor
- p-n junction
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The Correct Option is A
Solution and Explanation
Electron concentration is greater than hole concentration in n-type semiconductor.
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Notes on Semiconductor electronics: materials, devices and simple circuits
Concepts Used:
Semiconductors
Semiconductors are a crystalline solid materials, whose electrical conductivity lies between a conductor and an insulator. Semiconductors are mainly used in the manufacturing of electronic devices like capacitors, transistors, diodes, Integrated circuits, etc.
Properties of Semiconductor:
- Semiconductor acts like an insulator at Zero Kelvin. On increasing the temperature, it works as a conductor.
- Due to their exceptional electrical properties, semiconductors can be modified by doping to make semiconductor devices suitable for energy conversion, switches, and amplifiers.
- Lesser power losses.
Uses of Semiconductor:
- Semiconductors are widely used in manufacturing electronics devices like transistors, diodes, sensors, integrated circuits.
- Semiconductors are widely used in all electronic devices, like mobile phones, digital cameras, communication devices, trains, ATMs, etc.