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In an unblased p-n junction, holes diffu...

In an unblased p-n junction, holes diffuse from the p - region to n- region because

A

the potential difference across the p-n junction

B

the attraction of free electrons of n-region

C

the higher hole concentration in p-region than that in n-region

D

the higher concentration of electrons in the n-region than that in the p-region

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