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What is Drift vs. Diffusion Current Explained about?
The document explains the concepts of drift current and diffusion current in semiconductors, highlighting their definitions and differences. Drift current is caused by the movement of charge carriers due to an external electric field, while diffusion current arises from the concentration gradient of charge carriers. Key differences include the need for an external energy source, the laws they obey, and their dependency on charge concentration and material permittivity.
- Author
- sendilkumar
- Language
- EN