Question: Q. 6. Explain the two processes involved in the formation of a
U] [Delhi I, II, III Comptt. 2017]
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Solution:
Ans. Explanation of two processes 1+1 Definition of barrier potential
1 Diffusion : It is the process of movement of majority charge carriers from their majority zone (i.e., electrons from
Drift : Process of movement of minority charge carriers (i.e., holes from
1
Barrier potential : The loss of electrons from the
1
[CBSE Marking Scheme 2017]