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.
Answer:C
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.