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  • In an unbiased p-n junction, holes diffuse from the p- region to n-region because (a) free electrons in the n-region attract them.     (b) they move across the junction by the potential difference.

Q. 14.4  In an unbiased p-n junction, holes diffuse from the p-region to n-region because

                 (a) free electrons in the n-region attract them

                  (b) they move across the junction by the potential difference.

                  (c) hole concentration in p-region is more as compared to n-region.

                   d) All the above

Answers (1)

best_answer

Charge flows from higher concentration to the lower concentration in a junction. In this case, holes are diffusing from the p-region to n-region and hence the concentration of hole is greater in p region.

and hence correct option would be (c)

Posted by

Pankaj Sanodiya

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