The process of doping helps in

Options

A. decreasing conductivity.
B. increasing conductivity.
C. proper mixing.
D. increasing melting point.

Answer

**Step-by-Step Solution:**

1. **Understanding Doping:**
- Doping is a process used in semiconductor technology where small amounts of impurities are added to a pure semiconductor material.

2. **Purpose of Doping:**
- The main purpose of doping is to modify the electrical properties of the semiconductor. By adding specific impurities, we can enhance the material's ability to conduct electricity.

3. **Types of Doping:**
- There are two main types of doping:
- **N-type doping:** Involves adding elements that have more valence electrons than the semiconductor (like phosphorus in silicon). This increases the number of free electrons, enhancing conductivity.
- **P-type doping:** Involves adding elements with fewer valence electrons (like boron in silicon). This creates "holes" in the structure, which can also contribute to conductivity.

4. **Effect on Conductivity:**
- The introduction of these impurities increases the number of charge carriers (electrons or holes) in the semiconductor, thereby increasing its conductivity.

5. **Conclusion:**
- Therefore, the process of doping helps in increasing the conductivity of semiconductors.

**Final Answer:**
The process of doping helps in **increasing conductivity**.

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