Question

how are made to the depletion region and the potential barrier pn junction diode​

Answer 1

Answer:

Barrier Potential: The electric field formed in the depletion region acts as a barrier. External energy must be applied to get the electrons to move across the barrier of the electric field. The potential difference required to move the electrons through the electric field is called the barrier potential.

Explanation:

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Answer 2

Answer:

Due to the depletion region an electric field develops. Due to this electric field, the electron on p side moves to n side and hole an n side of the junction moves to p side. ... At some point of time, the diffusion current equals drift current and p-n junction under equilibrium is formed and there is no net current.

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