In the 180¬¨¬®‚Äö√†√ª mode VSI, ___________ devices conduct at a time.$

In the 180¬¨¬®‚Äö√†√ª mode VSI, ___________ devices con

1.	In the 180¬¨¬®‚Äö√†√ª mode VSI, ___________ devices conduct at a time.$
A.	5
B.	2
C.	3
D.	4
Answer» D. 4