In a $P N$-junction diode not connected to any circuit
  • A
    The potential is the same everywhere
  • BThe $P$-type is a higher potential than the $N$-type side
  • CThere is an electric field at the junction directed from the $N$ type side to the $P$-type side
  • DThere is an electric field at the junction directed from the $P$ type side to the $N$-type side
[IIT-JEE 1998]
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