Answer:
(a)
p-type because it has 3-valence electrons. Holes are produced which can move
through the crystal like a (+)ve
charge. 1
(b) n-type, because p-type has 5 valence electrons.
The 5th electron becomes delocalised and is free to contribute to electrical
conduction. 1
You need to login to perform this action.
You will be redirected in
3 sec