Discussion Forum : Pn Junction Diode
Question - Which of the following is true in case of an unbiased p-n junction diode?a) b) c)
Options:
A .  Diffusion of electrons & holes goes on infinitely
B .  Charges establish an electric field across the junctions
C .  There is zero electrical potential across the junctionsd)
D .  Diffusion does not take place
Answer: Option B

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