Question:

The charge carriers in a $ p $ -type semiconductor are

Updated On: Jan 23, 2024
  • electrons only
  • holes only
  • holes in larger numbers and electrons in smaller numbers
  • holes and electrons in equal numbers
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The Correct Option is C

Solution and Explanation

In a p-type semiconductor, holes are the majority charge carriers and electrons are minority charge carriers. So, holes are in larger numbers and electrons in smaller numbers.
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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:

  1. Semiconductor acts like an insulator at Zero Kelvin. On increasing the temperature, it works as a conductor.
  2. Due to their exceptional electrical properties, semiconductors can be modified by doping to make semiconductor devices suitable for energy conversion, switches, and amplifiers.
  3. Lesser power losses.

Uses of Semiconductor:

  1. Semiconductors are widely used in manufacturing electronics devices like transistors, diodes, sensors, integrated circuits.
  2. Semiconductors are widely used in all electronic devices, like mobile phones, digital cameras, communication devices, trains, ATMs, etc.