Question

what is pn junction ​

Answer 1

Answer:

A p–n junction is a boundary or interface between two types of semiconductor materials, p-type and n-type, inside a single crystal of semiconductor. The "p" side contains an excess of holes, while the "n" side contains an excess of electrons in the outer shells of the electrically neutral atoms there.

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Answer 2

Answer:

A p–n junction is a boundary or interface between two types of semiconductor materials, p-type and n-type, inside a single crystal of semiconductor. The "p" side contains an excess of holes, while the "n" side contains an excess of electrons in the outer shells of the electrically neutral atoms there.