A. holes in n-type and free electrons in ptype
B. holes in n-type and p-type
C. free electrons in n-type and holes in ptype
D. free electrons in n-type and p-type
A. holes in n-type and free electrons in ptype
B. holes in n-type and p-type
C. free electrons in n-type and holes in ptype
D. free electrons in n-type and p-type