An extrinsic semiconductor sample has 6 billion silicon atoms and 3 million pentavalent impurity atoms. The number of electrons and holes is

3 million holes and very small number of free electrons

3 million free electrons and very small number of holes

An extrinsic semiconductor sample has 6 billion silicon atoms and 3 mi

1.	An extrinsic semiconductor sample has 6 billion silicon atoms and 3 million pentavalent impurity atoms. The number of electrons and holes is
A.	3 million each
B.	6 billion each
C.	3 million free electrons and very small number of holes
D.	3 million holes and very small number of free electrons
Answer» D. 3 million holes and very small number of free electrons