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If no external voltage is applied across $P-N$ junction, there would be
  • A
    No electric field across the junction
  • BAn electric field pointing from $N$-type to $P$-type side across the junction
  • CAn electric field pointing from $P$-type to $N$-type side across the junction
  • DA temporary electric field during formation of $P-N$ junction that would subsequently disappear
[Orissa JEE 2002]
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