The potential barrier, in the depletion layer, is due to

The potential barrier, in the depletion layer, is due to
  1. ions
  2. electrons
  3. holes
  4. forbidden band.

Solution

The depletion layer is the region at the junction of a diode which is devoid of ions. Therefore the potential barrier in the depletion layer is due to ions.

Asked in: NEET 2009 (Mains)

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