Consider the following statement:
A. Pentavalent impurity is also called donor impurity
B. Pentavalent impurity is also called acceptor impurity
C. Trivalent impurity is also called donor impurity
D. Trivalent impurity is also called acceptor impurity
1
A: True, B: False, C: False, D: True
2
A: False, B: False, C: False, D: True
3
A: False, B: True, C: False, D: False
4
A: False, B: True, C: True, D: False