…..A …. And B…. Are the example of intrinsic semiconductors . Here , A and B refer to

Answer

**Step-by-Step Solution:**

1. **Understanding Intrinsic Semiconductors**:
- Intrinsic semiconductors are materials that are in their pure form without any significant impurities. They exhibit semiconductor properties due to their own atomic structure.

2. **Characteristics of Intrinsic Semiconductors**:
- These materials have a balanced number of electrons and holes, which allows them to conduct electricity under certain conditions (like increased temperature).

3. **Examples of Intrinsic Semiconductors**:
- The most common examples of intrinsic semiconductors are Silicon (Si) and Germanium (Ge). Both of these materials are used extensively in electronic devices.

4. **Conclusion**:
- Therefore, in the context of the question, A and B refer to Silicon (Si) and Germanium (Ge) respectively.

**Final Answer**: A refers to Silicon (Si) and B refers to Germanium (Ge).

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