Practice portal › Semiconductor Electronics › p-n Junction Formation
Asked in JEE Main 2003 · Depletion region and barrier potential
Inside the depletion layer the fixed ion charge creates a field pointing from n to p.
Moving in from either edge, the field grows as more uncovered charge is enclosed.
It reaches its largest value at the metallurgical junction, the middle of the layer.
Note: the printed key gives (a); the field is maximum, not zero, at the junction. See DEFECTS.md.
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