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Explain the formation of depletion region in P-N junction.
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| written 4.5 years ago by |

The above diagram represents the energy band of unbiased PN junction at equilibrium.
When the P-N junction is formed the holes from P-region migrate into the valence band levels on N-side & vice-a-verse. This caused shifting of EFP & hence of entire band structure of P-region upward conversely the N-region …