In a p-n diode, holes diffuse from p-region to n-region because

1.	In a p-n diode, holes diffuse from p-region to n-region because
A.	There is higher concentration of holes in the p-region
B.	Holes are positively charged
C.	Holes are urged to move by the barrier potential
D.	Free-electron in the n-region attract the holes
Answer» B. Holes are positively charged

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In a p-n diode, holes diffuse from p-region to n-region because

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