Question:
In an unbiased $p-n$ junction, holes diffuse from the $p$-region to $n$-region because of
In an unbiased $p-n$ junction, holes diffuse from the $p$-region to $n$-region because of
Updated On: Apr 11, 2024
- The attraction of free electrons of $n$-region.
- The higher hole concentration in $p$-region than that in $n$-region.
- The higher concentration of electrons in the $n$-region than that in the $p$-region.
- The potential difference across the p-n junction.
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The Correct Option is B
Solution and Explanation
The higher hole concentration is in $p$-region than that in $n$-region.
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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.